{"id":5795,"date":"2025-12-25T01:34:00","date_gmt":"2025-12-25T01:34:00","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5795"},"modified":"2025-12-25T01:34:00","modified_gmt":"2025-12-25T01:34:00","slug":"thread-diameter-chart-major-pitch-minor","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/vi\/blog\/thread-diameter-chart-major-pitch-minor\/","title":{"rendered":"B\u1ea3ng \u0111\u01b0\u1eddng k\u00ednh ren: Ren ch\u00ednh, b\u01b0\u1edbc ren, ren ph\u1ee5"},"content":{"rendered":"<div style=\"max-width: 1200px; margin: 0 auto; padding: 20px; font-family: Arial, sans-serif; line-height: 1.6; color: #333;\">\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">Gi\u1edbi thi\u1ec7u v\u1ec1 \u0111\u01b0\u1eddng k\u00ednh ren<\/h2>\n<p style=\"margin-bottom: 15px;\">\u0110\u01b0\u1eddng k\u00ednh ren l\u00e0 th\u00f4ng s\u1ed1 c\u01a1 b\u1ea3n trong thi\u1ebft k\u1ebf ren v\u00edt, x\u00e1c \u0111\u1ecbnh h\u00ecnh d\u1ea1ng \u0111\u1ec3 \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0103n kh\u1edbp v\u00e0 ch\u1ee9c n\u0103ng ph\u00f9 h\u1ee3p trong c\u00e1c c\u1ee5m c\u01a1 kh\u00ed. \u0110\u01b0\u1eddng k\u00ednh ngo\u00e0i c\u00f9ng bi\u1ec3u th\u1ecb k\u00edch th\u01b0\u1edbc l\u1edbn nh\u1ea5t, \u0111\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc ren bi\u1ec3u th\u1ecb b\u1ec1 m\u1eb7t ti\u1ebfp x\u00fac hi\u1ec7u qu\u1ea3, v\u00e0 \u0111\u01b0\u1eddng k\u00ednh trong c\u00f9ng bi\u1ec3u th\u1ecb ch\u00e2n ren trong c\u00f9ng. C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng thay th\u1ebf v\u00e0 \u0111\u1ed9 b\u1ec1n, tu\u00e2n th\u1ee7 c\u00e1c ti\u00eau chu\u1ea9n nh\u01b0 ISO 965 cho ren h\u1ec7 m\u00e9t v\u00e0 ASME B1.1 cho ren h\u1ec7 inch.<\/p>\n<p style=\"margin-bottom: 15px;\">Hi\u1ec3u r\u00f5 c\u00e1c \u0111\u01b0\u1eddng k\u00ednh n\u00e0y l\u00e0 \u0111i\u1ec1u c\u1ea7n thi\u1ebft cho vi\u1ec7c s\u1ea3n xu\u1ea5t, ki\u1ec3m tra v\u00e0 \u1ee9ng d\u1ee5ng trong c\u00e1c ng\u00e0nh c\u00f4ng nghi\u1ec7p nh\u01b0 \u00f4 t\u00f4, h\u00e0ng kh\u00f4ng v\u0169 tr\u1ee5 v\u00e0 m\u00e1y m\u00f3c. Bi\u1ec3u \u0111\u1ed3 n\u00e0y cung c\u1ea5p k\u00edch th\u01b0\u1edbc chi ti\u1ebft cho ren ngo\u00e0i v\u00e0 ren trong, bao g\u1ed3m dung sai cho c\u00e1c lo\u1ea1i ren th\u00f4ng d\u1ee5ng nh\u01b0 6g\/6H (h\u1ec7 m\u00e9t) v\u00e0 2A\/2B\/3A\/3B (h\u1ec7 inch), nh\u1eb1m h\u01b0\u1edbng d\u1eabn c\u00e1c k\u1ef9 s\u01b0 l\u1ef1a ch\u1ecdn k\u00edch th\u01b0\u1edbc ph\u00f9 h\u1ee3p.<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 15px;\">\n<li>\u0110\u01b0\u1eddng k\u00ednh l\u1edbn: \u0110\u1ec9nh ren (b\u00ean ngo\u00e0i) ho\u1eb7c ch\u00e2n ren (b\u00ean trong).<\/li>\n<li>\u0110\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc ren: H\u00ecnh tr\u1ee5 t\u01b0\u1edfng t\u01b0\u1ee3ng trong \u0111\u00f3 \u0111\u1ed9 d\u00e0y ren b\u1eb1ng chi\u1ec1u r\u1ed9ng r\u00e3nh.<\/li>\n<li>\u0110\u01b0\u1eddng k\u00ednh nh\u1ecf: Ch\u00e2n ren (b\u00ean ngo\u00e0i) ho\u1eb7c \u0111\u1ec9nh ren (b\u00ean trong).<\/li>\n<\/ul>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">\u0110\u01b0\u1eddng k\u00ednh ren ngo\u00e0i h\u1ec7 m\u00e9t (C\u1ea5p dung sai 6g, \u0110\u01a1n v\u1ecb: mm)<\/h2>\n<p style=\"margin-bottom: 15px;\">B\u1ea3ng d\u01b0\u1edbi \u0111\u00e2y tr\u00ecnh b\u00e0y chi ti\u1ebft k\u00edch th\u01b0\u1edbc ren ngo\u00e0i h\u1ec7 m\u00e9t v\u1edbi dung sai d\u01b0\u1edbi 6g, ph\u00f9 h\u1ee3p v\u1edbi bu l\u00f4ng v\u00e0 v\u00edt th\u00f4ng d\u1ee5ng theo ti\u00eau chu\u1ea9n ISO 965-2. C\u00e1c gi\u00e1 tr\u1ecb bao g\u1ed3m \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a, b\u01b0\u1edbc ren, \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i t\u1ed1i \u0111a\/t\u1ed1i thi\u1ec3u, \u0111\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc ren t\u1ed1i \u0111a\/t\u1ed1i thi\u1ec3u v\u00e0 \u0111\u01b0\u1eddng k\u00ednh trong danh ngh\u0129a. S\u1eed d\u1ee5ng c\u00e1c th\u00f4ng s\u1ed1 n\u00e0y \u0111\u1ec3 ki\u1ec3m tra thi\u1ebft k\u1ebf nh\u1eb1m \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0103n kh\u1edbp v\u00e0 ph\u00e2n b\u1ed1 t\u1ea3i tr\u1ecdng ch\u00ednh x\u00e1c.<\/p>\n<div style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 600px; font-size: 14px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">K\u00edch th\u01b0\u1edbc ren ngo\u00e0i<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">\u0110\u01b0\u1eddng k\u00ednh l\u1edbn (d)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">\u0110\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc ren (d2)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u0110\u01b0\u1eddng k\u00ednh nh\u1ecf (d3) Danh ngh\u0129a<\/th>\n<\/tr>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u0110\u01b0\u1eddng k\u00ednh danh ngh\u0129a<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">S\u00e2n b\u00f3ng \u0111\u00e1<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i \u0111a<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i thi\u1ec3u<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i \u0111a<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i thi\u1ec3u<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.382<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.307<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.187<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.131<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.057<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.581<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.496<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.354<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.291<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.202<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.981<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.886<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.721<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.654<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.548<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.08<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.888<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.817<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.693<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.48<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.38<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.188<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.117<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.993<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.98<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.874<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.655<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.58<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.439<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.479<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.354<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.089<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.004<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.83<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.978<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.838<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.523<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.433<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.22<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.478<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.338<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.991<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.901<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.666<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M5.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.976<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.456<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.361<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.11<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M6.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.974<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.794<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.325<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.213<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.892<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M7.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.974<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.794<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.325<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.213<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.892<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.972<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.76<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.188<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.066<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.619<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M9.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.972<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.76<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.188<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.066<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.619<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.968<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.732<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.026<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.862<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M11<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.968<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.732<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.026<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.862<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.966<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.701<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.863<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.679<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.106<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.962<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.682<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.701<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.503<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.962<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.682<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.701<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.503<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.958<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.623<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.376<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.164<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.294<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.958<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.623<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.376<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.164<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.294<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">\u0110\u01b0\u1eddng k\u00ednh ren trong h\u1ec7 m\u00e9t (C\u1ea5p dung sai 6H, \u0110\u01a1n v\u1ecb: mm)<\/h2>\n<p style=\"margin-bottom: 15px;\">\u0110\u1ed1i v\u1edbi ren trong h\u1ec7 m\u00e9t c\u00f3 dung sai 6H, \u0111\u01b0\u1ee3c s\u1eed d\u1ee5ng trong \u0111ai \u1ed1c v\u00e0 l\u1ed7 ren theo ti\u00eau chu\u1ea9n ISO 965-2, b\u1ea3ng n\u00e0y li\u1ec7t k\u00ea \u0111\u01b0\u1eddng k\u00ednh danh ngh\u0129a, b\u01b0\u1edbc ren, \u0111\u01b0\u1eddng k\u00ednh ngo\u00e0i danh ngh\u0129a, \u0111\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc ren t\u1ed1i \u0111a\/t\u1ed1i thi\u1ec3u v\u00e0 \u0111\u01b0\u1eddng k\u00ednh trong t\u1ed1i \u0111a\/t\u1ed1i thi\u1ec3u. Nh\u1eefng th\u00f4ng s\u1ed1 n\u00e0y \u0111\u1ea3m b\u1ea3o s\u1ef1 \u0103n kh\u1edbp ch\u1eafc ch\u1eafn v\u1edbi ren ngo\u00e0i, gi\u1ea3m thi\u1ec3u \u0111\u1ed9 r\u01a1 trong khi v\u1eabn t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c l\u1eafp r\u00e1p.<\/p>\n<div style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 600px; font-size: 14px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">K\u00edch th\u01b0\u1edbc ren trong<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u0110\u01b0\u1eddng k\u00ednh l\u1edbn (D) Danh ngh\u0129a<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">\u0110\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc r\u0103ng (D2)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">\u0110\u01b0\u1eddng k\u00ednh nh\u1ecf (D1)<\/th>\n<\/tr>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u0110\u01b0\u1eddng k\u00ednh danh ngh\u0129a<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">S\u00e2n b\u00f3ng \u0111\u00e1<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"><\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i \u0111a<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i thi\u1ec3u<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i \u0111a<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i thi\u1ec3u<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.418<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.28<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.205<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.142<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.075<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.619<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.458<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.373<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.32<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.22<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.019<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.83<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.74<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.679<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.567<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.003<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.908<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.838<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.713<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.303<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.208<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.138<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.013<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.02<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.775<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.675<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.599<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.459<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.521<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.222<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.11<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.01<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.85<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.022<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.663<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.545<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.422<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.242<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.522<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.131<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.013<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.878<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.688<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M5.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.024<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.605<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.48<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.334<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.134<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M6.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.026<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M7.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.026<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.028<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.348<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.188<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.912<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.647<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M9.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.028<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.348<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.188<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.912<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.647<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.032<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.206<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.026<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M11<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.032<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.026<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.034<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.06<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.863<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.441<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.106<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.038<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.91<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.701<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.038<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.91<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.701<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.038<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.91<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.701<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.74<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.294<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.042<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.376<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.74<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.294<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">\u0110\u01b0\u1eddng k\u00ednh ren ngo\u00e0i h\u1ec7 inch (UNC\/UNF, \u0111\u01a1n v\u1ecb: mm)<\/h2>\n<p style=\"margin-bottom: 15px;\">C\u00e1c lo\u1ea1i ren h\u1ec7 inch th\u1ed1ng nh\u1ea5t theo ti\u00eau chu\u1ea9n ASME B1.1 bao g\u1ed3m d\u00f2ng ren UNC (th\u00f4) v\u00e0 UNF (m\u1ecbn). B\u1ea3ng n\u00e0y cung c\u1ea5p k\u00edch th\u01b0\u1edbc t\u00ednh b\u1eb1ng mm cho ren ngo\u00e0i, v\u1edbi c\u00e1c c\u1ea5p dung sai 2A v\u00e0 3A. Nh\u1eefng th\u00f4ng s\u1ed1 n\u00e0y r\u1ea5t quan tr\u1ecdng \u0111\u1ed1i v\u1edbi c\u00e1c \u1ee9ng d\u1ee5ng y\u00eau c\u1ea7u t\u01b0\u01a1ng th\u00edch v\u1edbi ti\u00eau chu\u1ea9n M\u1ef9, cung c\u1ea5p h\u01b0\u1edbng d\u1eabn v\u1ec1 gi\u00e1 tr\u1ecb t\u1ed1i \u0111a\/t\u1ed1i thi\u1ec3u cho gia c\u00f4ng ch\u00ednh x\u00e1c.<\/p>\n<div style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 600px; font-size: 14px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">K\u00edch th\u01b0\u1edbc s\u1ee3i<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">L\u1edbp dung sai<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">\u0110\u01b0\u1eddng k\u00ednh l\u1edbn (d)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">\u0110\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc ren (d2)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u0110\u01b0\u1eddng k\u00ednh nh\u1ecf (d3) T\u1ed1i \u0111a<\/th>\n<\/tr>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"><\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"><\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i \u0111a<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i thi\u1ec3u<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i \u0111a<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i thi\u1ec3u<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"><\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">1-64UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.83896<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.74244<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.58242<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.53162<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.36652<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.8542<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.75768<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.59766<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.57734<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.38176<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">1-72UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.83896<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.75006<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.61036<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5621<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.41986<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.8542<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.7653<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.6256<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.59004<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.4351<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">2-56UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.16916<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.06502<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.87452<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.82118<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.63068<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1844<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.08026<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.88976<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.84912<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.64592<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">2-64UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.16916<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.07264<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.91262<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.86182<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.69672<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1844<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.08788<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.92786<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.88976<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.71196<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">3-48UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.49682<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.38252<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.15392<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.0955<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.86436<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5146<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.4003<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1717<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.12852<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.88214<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">3-56UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.49682<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.39268<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.20218<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1463<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.95834<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5146<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.41046<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.21996<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.17932<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.97612<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">4-40UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8448<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.6924<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.413<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.3495<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.06756<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8448<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.71526<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.43332<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.38506<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.08788<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">4-48UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8448<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.71272<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.48412<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.42316<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.19456<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8448<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.7305<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5019<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.45618<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.21234<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">5-40UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.175<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.02514<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.7432<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.67716<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.39776<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.175<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.04546<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.76352<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.71526<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.41808<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">5-44UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.175<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.0353<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.7813<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.7178<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.46888<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.175<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.05308<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.79908<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.75082<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.48666<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">6-32UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5052<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.33248<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.96926<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.89814<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.54<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5052<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.3528<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.98958<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.93624<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.56032<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">6-40UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5052<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.35534<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.0734<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.00736<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.72796<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5052<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.37566<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.09372<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.04292<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.74828<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">8-32UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.1656<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.99034<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.62712<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.55346<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.19786<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.1656<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.0132<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.64998<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5941<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.22072<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">8-36UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.1656<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.00558<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.68808<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.61696<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.30454<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.1656<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.0259<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.7084<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.65506<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.32486<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">10-24UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.61772<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.11226<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.02844<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.54076<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.64312<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.13766<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.07416<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.56616<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">10-32UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.65074<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.28752<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.21132<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.85826<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.6736<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.31038<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.25196<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.88112<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">12-24UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.4864<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.27812<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.77266<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.6863<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.20116<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.4864<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.30352<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.79806<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.73202<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.22656<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">12-28UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.4864<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.2959<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.87172<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.79044<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.37896<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.4864<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.3213<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.89712<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.83616<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.40436<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">1\/4-20UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.01218<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.49656<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.35432<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.81076<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.32206<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.11632<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.49656<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.40258<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.81076<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.14426<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.5245<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.45338<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.8387<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">1\/4-28UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.07568<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.73532<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.60832<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.24256<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.3246<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.1595<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.73532<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.6515<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.24256<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.1849<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.76072<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.69722<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.26796<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">5\/16-18UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.9375<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.57428<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.99008<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.83514<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.22808<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.90702<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.68604<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.99008<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.88848<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.22808<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.9375<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.71652<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.02056<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.94436<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.25856<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">5\/16-24UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.9375<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.63524<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.22122<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.08152<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.64972<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.90956<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.72668<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.22122<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.12724<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.64972<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.9375<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.75462<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.24916<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.18058<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.67766<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">3\/8-16UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.525<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.1313<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.46074<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.29564<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.59968<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.49198<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.25322<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.46074<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.34898<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.59968<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.525<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.28624<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.49376<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.40994<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.6327<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">3\/8-24UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.525<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.22274<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.80872<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.66394<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.23722<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.49706<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.31418<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.80872<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.7122<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.23722<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.525<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.34212<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.83666<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.763<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.26516<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">7\/16-14UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.1125<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.68324<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.89838<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.71804<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.91794<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.07694<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.81532<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.89838<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.779<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.91794<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.1125<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.85088<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.93394<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.84504<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.9535<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">7\/16-20UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.1125<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.7696<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.30978<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.0965<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.56818<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.07948<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.87374<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.30978<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.1473<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.56818<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.1125<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.90676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.3428<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.20826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.6012<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">1\/2-13UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.24788<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.3919<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.20394<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.25906<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.6619<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.38504<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.3919<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.2649<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.33526<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.42314<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.43<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.33602<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.37336<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">1\/2-20UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.3571<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.84148<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.67892<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.1277<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.66698<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.46124<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.84148<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.73226<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.1735<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.49426<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.8745<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.79322<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.2065<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">9\/16-12UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.2875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.80998<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.87272<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.6746<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.72718<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.24686<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.9573<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.87272<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.74064<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.72718<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.2875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.99794<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.91336<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.8143<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.76782<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">9\/16-18UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.2875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.9192<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.335<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.16228<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.573<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.25194<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.03096<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.335<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.2207<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.573<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.2875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.06652<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.37056<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.2842<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.60856<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">5\/8-11UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.37208<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.33576<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.12494<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.08608<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.83436<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.52702<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.33576<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.19606<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.08608<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.56766<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.3764<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.27226<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.12672<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">5\/8-18UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.5067<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.9225<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.7447<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.1605<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.83944<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.61846<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.9225<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.80312<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.1605<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.875<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.65402<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.95806<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.86916<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.19606<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">3\/4-10UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.05<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.51152<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.35328<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.12976<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.97914<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.00428<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.67662<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.35328<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.20342<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.97914<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.05<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.72234<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.399<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.28724<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.02486<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">3\/4-16UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.05<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.65122<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.98066<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.79016<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.1196<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.0119<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.77314<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.98066<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.85366<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.1196<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.05<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.81124<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.01876<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.92224<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.1577<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">7\/8-9UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.225<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.64842<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.34286<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.10156<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.81632<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.17674<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.82368<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.34286<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.18284<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.81632<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.225<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.87194<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.39112<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.27174<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.86458<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">7\/8-14UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.225<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.79066<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.0058<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.80006<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.02536<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.18436<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.92274<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.0058<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.86864<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.02536<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.225<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.96338<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.04644<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.9423<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.066<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">1-8UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.7777<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.28672<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.03018<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.56968<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.3492<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.9682<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.28672<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.114<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.56968<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.019<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.33752<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.20798<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.62048<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">1-14UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.96566<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.17826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.9649<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.19528<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.35682<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.0952<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.17826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.03602<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.19528<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3A<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.13838<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.22144<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.11476<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.23846<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">\u0110\u01b0\u1eddng k\u00ednh ren trong h\u1ec7 inch (UNC\/UNF, \u0111\u01a1n v\u1ecb: mm)<\/h2>\n<p style=\"margin-bottom: 15px;\">Ren trong h\u1ec7 inch cho \u0111ai \u1ed1c, theo ti\u00eau chu\u1ea9n ASME B1.1, \u0111\u01b0\u1ee3c ph\u00e2n lo\u1ea1i theo c\u1ea5p dung sai 2B v\u00e0 3B. K\u00edch th\u01b0\u1edbc t\u00ednh b\u1eb1ng mm t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho vi\u1ec7c s\u1eed d\u1ee5ng to\u00e0n c\u1ea7u, gi\u00fap \u0111\u1ea3m b\u1ea3o t\u00ednh t\u01b0\u01a1ng th\u00edch c\u1ee7a ren v\u00e0 ng\u0103n ng\u1eeba hi\u1ec7n t\u01b0\u1ee3ng k\u1eb9t ho\u1eb7c b\u00f3 c\u1ee9ng trong qu\u00e1 tr\u00ecnh l\u1eafp r\u00e1p.<\/p>\n<div style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"width: 100%; border-collapse: collapse; min-width: 600px; font-size: 14px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">K\u00edch th\u01b0\u1edbc s\u1ee3i<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">L\u1edbp dung sai<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u0110\u01b0\u1eddng k\u00ednh l\u1edbn (D) T\u1ed1i thi\u1ec3u<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">\u0110\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc r\u0103ng (D2)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">\u0110\u01b0\u1eddng k\u00ednh nh\u1ecf (D1)<\/th>\n<\/tr>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"><\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"><\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\"><\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i thi\u1ec3u<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i \u0111a<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i thi\u1ec3u<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">T\u1ed1i \u0111a<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">1-64UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.8542<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.59766<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.6637<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.42494<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.58242<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.8542<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.59766<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.64592<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.42494<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.58242<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">1-72UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.8542<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.6256<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.6891<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.4732<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.6129<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.8542<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.6256<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.67386<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.4732<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.6129<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">2-56UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1844<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.88976<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.96088<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.69418<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.87198<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1844<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.88976<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.9431<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.69418<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.87198<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">2-64UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1844<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.92786<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.99644<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.75514<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.91262<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1844<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.92786<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.97866<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.75514<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.91262<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">3-48UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5146<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1717<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.2479<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.94056<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1463<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5146<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1717<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.22758<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.94056<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1463<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">3-56UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5146<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.21996<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.29108<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.02438<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1971<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5146<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.21996<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.2733<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.02438<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.1971<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">4-40UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8448<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.43332<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.51714<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.15646<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.38506<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8448<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.43332<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.49428<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.15646<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.38506<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">4-48UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8448<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5019<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.58064<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.27076<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.45872<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8448<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.5019<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.56032<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.27076<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.45872<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">5-40UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.175<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.76352<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.84734<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.48666<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.69748<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.175<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.76352<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.82702<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.48666<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.69748<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">5-44UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.175<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.79908<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.88036<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.55016<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.74066<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.175<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.79908<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.86004<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.55016<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.74066<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">6-32UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5052<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.98958<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.08356<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.6416<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8956<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5052<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.98958<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.05816<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.6416<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8956<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">6-40UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5052<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.09372<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.18008<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8194<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.0226<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5052<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.09372<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.15722<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.8194<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.0226<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">8-32UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.1656<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.64998<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.7465<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.302<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5306<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.1656<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.64998<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.7211<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.302<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5306<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">8-36UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.1656<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.7084<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.79984<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.4036<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.6068<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.1656<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.7084<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.77698<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.4036<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.6068<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">10-24UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.13766<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.24688<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.683<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.9624<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.13766<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.21894<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.683<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.9624<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">10-32UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.31038<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.40944<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.9624<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.1656<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.826<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.31038<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.38404<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.9624<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.1656<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">12-24UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.4864<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.79806<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.90982<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.3434<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.5974<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.4864<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.79806<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.88188<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.3434<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.5974<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"2\">12-28UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.4864<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.89712<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.0038<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.4958<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.7244<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.4864<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.89712<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.97586<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.4958<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.7244<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">1\/4-20UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.5245<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.70992<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.9784<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.2578<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.5245<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.64896<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.9784<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.2578<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.5245<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.61594<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.9784<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.2578<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\" rowspan=\"3\">1\/4-28UNF<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.76072<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.92582<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.3594<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.588<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.76072<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.86994<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.3594<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.588<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3B<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.76072<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.842<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.3594<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.588<\/td>\n<\/tr>\n<p><!-- Additional rows can be added if needed, but limited to provided data --><\/tbody>\n<\/table>\n<\/div>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">C\u00f4ng th\u1ee9c t\u00ednh to\u00e1n \u0111\u01b0\u1eddng k\u00ednh ren<\/h2>\n<p style=\"margin-bottom: 15px;\">\u0110\u01b0\u1eddng k\u00ednh ren c\u00f3 th\u1ec3 \u0111\u01b0\u1ee3c t\u00ednh to\u00e1n b\u1eb1ng c\u00e1c c\u00f4ng th\u1ee9c ti\u00eau chu\u1ea9n \u0111\u1ec3 ki\u1ec3m tra ho\u1eb7c thi\u1ebft k\u1ebf ren t\u00f9y ch\u1ec9nh.<\/p>\n<p style=\"margin-bottom: 15px; font-style: italic;\">\u0110\u1ed1i v\u1edbi ren h\u1ec7 m\u00e9t (b\u00ean ngo\u00e0i):<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 15px;\">\n<li>\u0110\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc r\u0103ng d2 = d \u2013 0,6495 * P<\/li>\n<li>\u0110\u01b0\u1eddng k\u00ednh nh\u1ecf d3 = d \u2013 1.0825 * P<\/li>\n<\/ul>\n<p style=\"margin-bottom: 15px;\">Trong \u0111\u00f3 d l\u00e0 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn danh ngh\u0129a, P l\u00e0 b\u01b0\u1edbc ren. \u0110i\u1ec1u ch\u1ec9nh theo dung sai ti\u00eau chu\u1ea9n ISO 965.<\/p>\n<p style=\"margin-bottom: 15px; font-style: italic;\">\u0110\u1ed1i v\u1edbi ren h\u1ec7 inch (b\u00ean ngo\u00e0i):<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 15px;\">\n<li>\u0110\u01b0\u1eddng k\u00ednh s\u00e2n = \u0111\u01b0\u1eddng k\u00ednh l\u1edbn \u2013 (0,6495\/n)<\/li>\n<li>\u0110\u01b0\u1eddng k\u00ednh nh\u1ecf = \u0111\u01b0\u1eddng k\u00ednh l\u1edbn \u2013 (1.0825\/n)<\/li>\n<\/ul>\n<p style=\"margin-bottom: 15px;\">Trong \u0111\u00f3 n l\u00e0 s\u1ed1 ren tr\u00ean m\u1ed7i inch. Tham kh\u1ea3o ti\u00eau chu\u1ea9n ASME B1.1 \u0111\u1ec3 bi\u1ebft c\u00e1c dung sai c\u1ee5 th\u1ec3 cho t\u1eebng lo\u1ea1i ren.<\/p>\n<h2 style=\"font-size: 24px; font-weight: bold; margin-top: 40px; margin-bottom: 15px; color: #0056b3;\">C\u00e2u h\u1ecfi th\u01b0\u1eddng g\u1eb7p (FAQ)<\/h2>\n<dl style=\"margin-bottom: 15px;\">\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">\u0110\u01b0\u1eddng k\u00ednh l\u1edbn v\u00e0 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf kh\u00e1c nhau \u1edf \u0111i\u1ec3m n\u00e0o?<\/dt>\n<dd style=\"margin-bottom: 15px;\">\u0110\u01b0\u1eddng k\u00ednh l\u1edbn l\u00e0 \u0111\u01b0\u1eddng k\u00ednh l\u1edbn nh\u1ea5t c\u1ee7a ren (\u0111\u1ec9nh ren \u0111\u1ed1i v\u1edbi ren ngo\u00e0i, ch\u00e2n ren \u0111\u1ed1i v\u1edbi ren trong), trong khi \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf l\u00e0 \u0111\u01b0\u1eddng k\u00ednh nh\u1ecf nh\u1ea5t (ch\u00e2n ren \u0111\u1ed1i v\u1edbi ren ngo\u00e0i, \u0111\u1ec9nh ren \u0111\u1ed1i v\u1edbi ren trong). Ch\u00fang \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn \u0111\u1ed9 b\u1ec1n v\u00e0 \u0111\u1ed9 kh\u00edt.<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">M\u1ee9c dung sai \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn k\u00edch th\u01b0\u1edbc nh\u01b0 th\u1ebf n\u00e0o?<\/dt>\n<dd style=\"margin-bottom: 15px;\">C\u00e1c lo\u1ea1i dung sai nh\u01b0 6g\/6H cho ph\u00e9p l\u1eafp r\u00e1p l\u1ecfng h\u01a1n cho m\u1ee5c \u0111\u00edch s\u1eed d\u1ee5ng th\u00f4ng th\u01b0\u1eddng, v\u1edbi gi\u1edbi h\u1ea1n t\u1ed1i \u0111a\/t\u1ed1i thi\u1ec3u \u0111\u1ea3m b\u1ea3o kh\u1ea3 n\u0103ng thay th\u1ebf l\u1eabn nhau. C\u00e1c lo\u1ea1i dung sai ch\u1eb7t h\u01a1n nh\u01b0 4g gi\u1ea3m \u0111\u1ed9 r\u01a1 cho c\u00e1c \u1ee9ng d\u1ee5ng \u0111\u00f2i h\u1ecfi \u0111\u1ed9 ch\u00ednh x\u00e1c cao.<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">T\u1ea1i sao c\u1ea7n chuy\u1ec3n \u0111\u1ed5i k\u00edch th\u01b0\u1edbc t\u1eeb inch sang mm?<\/dt>\n<dd style=\"margin-bottom: 15px;\">Vi\u1ec7c chuy\u1ec3n \u0111\u1ed5i \u0111\u01a1n v\u1ecb t\u1ea1o \u0111i\u1ec1u ki\u1ec7n thu\u1eadn l\u1ee3i cho k\u1ef9 thu\u1eadt to\u00e0n c\u1ea7u, cho ph\u00e9p so s\u00e1nh tr\u1ef1c ti\u1ebfp v\u1edbi c\u00e1c h\u1ec7 m\u00e9t. Lu\u00f4n lu\u00f4n ki\u1ec3m tra \u0111\u01a1n v\u1ecb \u0111\u1ec3 tr\u00e1nh sai s\u00f3t trong s\u1ea3n xu\u1ea5t.<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">\u0110\u01b0\u1eddng k\u00ednh b\u01b0\u1edbc ren \u0111\u00f3ng vai tr\u00f2 g\u00ec?<\/dt>\n<dd style=\"margin-bottom: 15px;\">N\u00f3 x\u00e1c \u0111\u1ecbnh \u0111\u1ed9 kh\u00edt gi\u1eefa c\u00e1c ren gh\u00e9p n\u1ed1i, \u1ea3nh h\u01b0\u1edfng \u0111\u1ebfn m\u00f4-men xo\u1eafn khi l\u1eafp r\u00e1p v\u00e0 kh\u1ea3 n\u0103ng ch\u1ecbu t\u1ea3i. C\u00f3 th\u1ec3 \u0111o b\u1eb1ng th\u01b0\u1edbc \u0111o ren ho\u1eb7c th\u01b0\u1edbc \u0111o \u0111\u1ea1t\/kh\u00f4ng \u0111\u1ea1t.<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">L\u00e0m th\u1ebf n\u00e0o \u0111\u1ec3 l\u1ef1a ch\u1ecdn gi\u1eefa ch\u1ec9 th\u00f4 v\u00e0 ch\u1ec9 m\u1ecbn?<\/dt>\n<dd style=\"margin-bottom: 15px;\">Ren th\u00f4 (UNC) cho ph\u00e9p l\u1eafp r\u00e1p nhanh h\u01a1n v\u00e0 c\u00f3 \u0111\u1ed9 b\u1ec1n c\u1eaft cao h\u01a1n; ren m\u1ecbn (UNF) mang l\u1ea1i kh\u1ea3 n\u0103ng ch\u1ed1ng rung t\u1ed1t h\u01a1n v\u00e0 \u0111i\u1ec1u ch\u1ec9nh ch\u00ednh x\u00e1c h\u01a1n.<\/dd>\n<dt style=\"font-weight: bold; margin-bottom: 5px;\">\u0110\u00e2y c\u00f3 ph\u1ea3i l\u00e0 k\u00edch th\u01b0\u1edbc d\u00e0nh cho ren m\u1ea1 kh\u00f4ng?<\/dt>\n<dd style=\"margin-bottom: 15px;\">C\u00e1c gi\u00e1 tr\u1ecb n\u00e0y d\u00e0nh cho ren kh\u00f4ng m\u1ea1. Th\u00eam dung sai m\u1ea1 (v\u00ed d\u1ee5: 0,002-0,005 mm m\u1ed7i b\u00ean) v\u00e0 \u0111i\u1ec1u ch\u1ec9nh dung sai cho ph\u00f9 h\u1ee3p theo ti\u00eau chu\u1ea9n.<\/dd>\n<\/dl>\n<\/div>","protected":false},"excerpt":{"rendered":"<p>Introduction to Thread Diameters Thread diameters are fundamental parameters in screw thread design, defining the geometry for proper fit and function in mechanical assemblies. The major diameter represents the outermost dimension, the pitch diameter the effective mating surface, and the minor diameter the innermost root. These values ensure interchangeability and strength, adhering to standards like [&hellip;]<\/p>","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[220],"tags":[],"class_list":["post-5795","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5795","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/comments?post=5795"}],"version-history":[{"count":1,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5795\/revisions"}],"predecessor-version":[{"id":5796,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/posts\/5795\/revisions\/5796"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/media?parent=5795"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/categories?post=5795"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/vi\/wp-json\/wp\/v2\/tags?post=5795"}],"curies":[{"name":"trang web","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}