{"id":5749,"date":"2025-12-24T03:55:51","date_gmt":"2025-12-24T03:55:51","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5749"},"modified":"2025-12-24T03:55:51","modified_gmt":"2025-12-24T03:55:51","slug":"gb-t-5280-2002-self-tapping-screws-thread-standard","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/zh\/blog\/gb-t-5280-2002-self-tapping-screws-thread-standard\/","title":{"rendered":"GB\/T 5280-2002 \u81ea\u653b\u87ba\u9489\u87ba\u7eb9\u6807\u51c6"},"content":{"rendered":"<h2 style=\"font-size: 24px; margin-top: 40px;\">\u6807\u51c6\u7b80\u4ecb<\/h2>\n<p style=\"margin-bottom: 20px;\">GB\/T 5280-2002 \u89c4\u5b9a\u4e86\u87ba\u7eb9\u89c4\u683c\u4ece ST1.5 \u5230 ST9.5 \u7684\u81ea\u653b\u87ba\u9489\uff08\u94a3\u91d1\u87ba\u9489\uff09\u7684\u87ba\u7eb9\u5c3a\u5bf8\u548c\u7aef\u90e8\u7c7b\u578b\u3002\u8be5\u6807\u51c6\u786e\u4fdd\u4e86\u5236\u9020\u7684\u7edf\u4e00\u6027\uff0c\u4fbf\u4e8e\u5728\u6ca1\u6709\u9884\u94bb\u5b54\u7684\u91d1\u5c5e\u677f\u7b49\u6750\u6599\u4e0a\u8fdb\u884c\u53ef\u9760\u7684\u7d27\u56fa\u3002<\/p>\n<p style=\"margin-bottom: 20px;\">\u4f5c\u4e3a\u673a\u68b0\u7d27\u56fa\u9886\u57df\u7684\u91cd\u8981\u53c2\u8003\u6807\u51c6\uff0c\u5b83\u5b9a\u4e49\u4e86C\u578b\u3001F\u578b\u548cR\u578b\u87ba\u7eb9\u7684\u87ba\u8ddd\u3001\u5927\u5f84\u3001\u5c0f\u5f84\u548c\u87ba\u7eb9\u957f\u5ea6\u7b49\u53c2\u6570\uff0c\u4ece\u800c\u63d0\u5347\u4e86\u6c7d\u8f66\u3001\u7535\u5b50\u548c\u5efa\u7b51\u7b49\u884c\u4e1a\u7684\u517c\u5bb9\u6027\u548c\u6027\u80fd\u3002\u8be5\u6807\u51c6\u7b26\u5408\u56fd\u9645\u60ef\u4f8b\uff0c\u540c\u65f6\u6ee1\u8db3\u4e2d\u56fd\u6807\u51c6\u7684\u7279\u5b9a\u8981\u6c42\u3002<\/p>\n<ul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 30px;\">\n<li>\u8303\u56f4\uff1a\u6db5\u76d6\u516c\u5236\u5c3a\u5bf8\u81ea\u653b\u87ba\u9489\u7684\u87ba\u7eb9\u8f6e\u5ed3\u3002<\/li>\n<li>\u91cd\u8981\u6027\uff1a\u786e\u4fdd\u81ea\u653b\u6548\u7387\u548c\u87ba\u7eb9\u5b8c\u6574\u6027\u3002<\/li>\n<li>\u66f4\u65b0\uff1a\u5df2\u88ab\u540e\u7eed\u7248\u672c\u53d6\u4ee3\uff0c\u4f46\u5bf9\u65e7\u7248\u8bbe\u8ba1\u81f3\u5173\u91cd\u8981\u3002<\/li>\n<\/ul>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u87ba\u7eb9\u89c4\u683c\u548c\u5c3a\u5bf8<\/h2>\n<p style=\"margin-bottom: 20px;\">\u8be5\u6807\u51c6\u89c4\u5b9a\u4e86\u4e0d\u540c\u7aef\u90e8\u7c7b\u578b\u7684\u87ba\u7eb9\u51e0\u4f55\u5f62\u72b6\uff0c\u5305\u62ec\u5927\u5f84 (d1)\u3001\u5706\u5468\u5f84 (d2)\u3001\u5c0f\u5f84 (d3)\u3001\u5012\u89d2 (c)\u3001\u534a\u5f84 (r) \u548c\u53c2\u8003\u957f\u5ea6 (y)\u3002\u8fd9\u4e9b\u53c2\u6570\u786e\u4fdd\u87ba\u7eb9\u7684\u6b63\u786e\u5f62\u6210\u548c\u556e\u5408\uff0c\u6700\u5927\u9650\u5ea6\u5730\u51cf\u5c11\u5b89\u88c5\u8fc7\u7a0b\u4e2d\u7684\u6750\u6599\u635f\u4f24\u3002<\/p>\n<p style=\"margin-bottom: 20px;\">\u5173\u952e\u53c2\u6570\u5305\u62ec\u87ba\u8ddd\uff0cST1.5 \u7684\u87ba\u8ddd\u4e3a 0.5 \u6beb\u7c73\uff0c\u8f83\u5927\u5c3a\u5bf8\u7684\u87ba\u8ddd\u4e3a 2.1 \u6beb\u7c73\uff0c\u5e76\u8bbe\u6709\u6700\u5927\/\u6700\u5c0f\u503c\u7684\u516c\u5dee\u4ee5\u9002\u5e94\u5236\u9020\u8bef\u5dee\u3002C \u578b\u4ee3\u8868\u5c16\u5934\uff0cF \u578b\u4ee3\u8868\u949d\u5934\uff0cR \u578b\u4ee3\u8868\u5706\u5934\uff0c\u6bcf\u79cd\u7c7b\u578b\u90fd\u9002\u7528\u4e8e\u7279\u5b9a\u7684\u6750\u6599\u539a\u5ea6\u3002<\/p>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u8be6\u7ec6\u87ba\u7eb9\u8868<\/h2>\n<p style=\"margin-bottom: 20px;\">\u4e0b\u8868\u4e3a\u7b26\u5408GB\/T 5280-2002\u6807\u51c6\u7684\u87ba\u7eb9\u5c3a\u5bf8\u8be6\u8868\uff0c\u63d0\u4f9b\u7cbe\u786e\u7684\u5de5\u7a0b\u53c2\u8003\u6570\u503c\u3002\u53ef\u7528\u4e8e\u8bbe\u8ba1\u9a8c\u8bc1\u548c\u751f\u4ea7\u89c4\u8303\u3002<\/p>\n<div class=\"table-container\" style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"border-collapse: collapse; width: 100%; margin-bottom: 20px;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u8303\u56f4<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST1.5<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST1.9<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST2.2<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST2.6<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST2.9<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST3.3<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST3.5<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST3.9<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST4.2<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST4.8<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST5.5<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST6.3<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST8<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">ST9.5<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u6ca5\u9752<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.1<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d1 \u6700\u5927\u503c<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.57<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.53<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.91<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.46<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">9.65<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d1 \u5206\u949f<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.38<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.76<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.43<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.76<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.73<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.04<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.62<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.28<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6.03<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7.78<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">9.43<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d2 \u6700\u5927\u503c<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.91<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.63<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.39<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.64<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.92<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.58<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.17<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.88<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7.85<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d2 \u5206\u949f<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.84<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.17<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.08<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.29<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.51<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.77<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.95<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.43<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.99<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.99<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7.59<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d3 \u6700\u5927\u503c<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.79<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.47<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.73<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.01<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.41<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.67<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.84<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.86<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.55<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.84<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7.44<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">d3\u5206\u949f<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.69<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.02<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.37<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.88<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.08<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.26<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.51<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.69<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.68<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.34<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5.64<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7.24<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">c \u6700\u5927\u503c<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.15<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">r \u2248<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">y\u578bC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">y \u578b F<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">y\u578bR<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">\u6570\u5b57<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: center;\">20<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin-bottom: 20px;\">\u5c3a\u5bf8\u5355\u4f4d\u4e3a\u6beb\u7c73\u3002\u8bf7\u6839\u636e\u6750\u6599\u539a\u5ea6\u548c\u8d1f\u8f7d\u8981\u6c42\u9009\u62e9\u5c3a\u5bf8\uff0c\u4ee5\u83b7\u5f97\u6700\u4f73\u6027\u80fd\u3002<\/p>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u7533\u8bf7\u6307\u5357\u548c\u6ce8\u610f\u4e8b\u9879<\/h2>\n<p style=\"margin-bottom: 20px;\">\u5e94\u7528GB\/T 5280-2002\u6807\u51c6\u65f6\uff0c\u5e94\u6839\u636e\u57fa\u6750\u9009\u62e9\u5408\u9002\u7684\u87ba\u7eb9\u5c3a\u5bf8\uff1b\u8f83\u5c0f\u7684\u87ba\u8ddd\uff08\u4f8b\u59820.5mm\uff09\u9002\u7528\u4e8e\u8584\u677f\uff0c\u800c\u8f83\u5927\u7684\u87ba\u8ddd\uff08\u4f8b\u59822.1mm\uff09\u5219\u9002\u7528\u4e8e\u8f83\u539a\u7684\u6750\u6599\u3002\u786e\u4fdd\u5bfc\u5411\u5b54\u5c3a\u5bf8\u5408\u9002\uff0c\u4ee5\u907f\u514d\u5f00\u88c2\u3002<\/p>\n<ul style=\"list-style-type: disc; padding-left: 20px; margin-bottom: 30px;\">\n<li>\u5bf9\u4e8e\u9700\u8981\u9510\u5229\u7a7f\u900f\u7684\u8f6f\u6027\u6750\u6599\uff0c\u8bf7\u9009\u62e9 C \u200b\u200b\u578b\u3002<\/li>\n<li>\u5bf9\u4e8e\u9884\u51b2\u5b54\uff0c\u8bf7\u4f7f\u7528 F \u578b\uff0c\u4ee5\u9632\u6b62\u53d8\u5f62\u3002<\/li>\n<li>\u5bf9\u4e8e\u654f\u611f\u5e94\u7528\u4e2d\u7684\u5706\u7aef\uff0c\u8bf7\u4f7f\u7528 R \u578b\u3002<\/li>\n<li>\u5728\u5236\u9020\u8fc7\u7a0b\u4e2d\u9a8c\u8bc1\u87ba\u7eb9\u556e\u5408\u7684\u516c\u5dee\u3002<\/li>\n<li>\u8003\u8651\u91c7\u7528\u5408\u9002\u7684\u6d82\u5c42\u6765\u63d0\u9ad8\u8010\u8150\u8680\u6027\u3002<\/li>\n<\/ul>\n<p style=\"margin-bottom: 20px;\">\u8fd9\u4e9b\u6307\u5bfc\u539f\u5219\u63d0\u9ad8\u4e86\u7d27\u56fa\u53ef\u9760\u6027\uff0c\u51cf\u5c11\u4e86\u88c5\u914d\u7ebf\u4e0a\u7684\u6545\u969c\u3002<\/p>\n<h2 style=\"font-size: 24px; margin-top: 40px;\">\u5e38\u89c1\u95ee\u9898\u89e3\u7b54 (FAQ)<\/h2>\n<div class=\"faq\" style=\"margin-top: 20px;\">\n<h3 style=\"font-size: 20px; margin-bottom: 10px;\">\u6807\u51c6\u4e2d\u7684 d1\u3001d2 \u548c d3 \u6709\u4ec0\u4e48\u533a\u522b\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">d1 \u4e3a\u5927\u5f84\uff0cd2 \u4e3a\u8282\u5706\u76f4\u5f84\uff0cd3 \u4e3a\u5c0f\u5f84\uff1b\u8fd9\u4e9b\u53c2\u6570\u5b9a\u4e49\u4e86\u87ba\u7eb9\u8f6e\u5ed3\uff0c\u4ee5\u786e\u4fdd\u5408\u9002\u7684\u914d\u5408\u548c\u5f3a\u5ea6\u3002<\/p>\n<h3 style=\"font-size: 20px; margin-bottom: 10px;\">\u5982\u4f55\u9009\u62e9\u5408\u9002\u7684\u87ba\u7eb9\u7c7b\u578b\uff08C\u3001F\u3001R\uff09\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">C \u578b\u7528\u4e8e\u5c16\u5934\u81ea\u7a7f\u5b54\uff1bF \u578b\u7528\u4e8e\u949d\u5934\u9884\u94bb\u5b54\uff1bR \u578b\u7528\u4e8e\u5706\u5934\uff0c\u4ee5\u6700\u5927\u7a0b\u5ea6\u51cf\u5c11\u5bf9\u8f6f\u6750\u6599\u7684\u635f\u4f24\u3002<\/p>\n<h3 style=\"font-size: 20px; margin-bottom: 10px;\">\u201c\u6570\u5b57\u201d\u884c\u4ee3\u8868\u4ec0\u4e48\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">\u5b83\u4e0e\u82f1\u5236\u5355\u4f4d\u6216\u4f20\u7edf\u540d\u79f0\u76f8\u5bf9\u5e94\uff0c\u6709\u52a9\u4e8e\u4e0e\u56fd\u9645\u6807\u51c6\u8fdb\u884c\u4ea4\u53c9\u5f15\u7528\u3002<\/p>\n<h3 style=\"font-size: 20px; margin-bottom: 10px;\">\u8fd9\u4e9b\u5c3a\u5bf8\u6709\u89c4\u5b9a\u516c\u5dee\u5417\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">\u662f\u7684\uff0c\u6700\u5927\u503c\/\u6700\u5c0f\u503c\u63d0\u4f9b\u4e86\u5236\u9020\u516c\u5dee\uff1b\u4e3a\u4e86\u4fdd\u8bc1\u4e92\u6362\u6027\u548c\u6027\u80fd\uff0c\u8bf7\u9075\u5b88\u8fd9\u4e9b\u516c\u5dee\u3002<\/p>\n<h3 style=\"font-size: 20px; margin-bottom: 10px;\">\u8be5\u6807\u51c6\u5728\u540e\u7eed\u7248\u672c\u4e2d\u662f\u5982\u4f55\u6f14\u53d8\u7684\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">\u540e\u6765\u7684\u6807\u51c6\uff0c\u5982 GB\/T 5280-2017\uff0c\u7eb3\u5165\u4e86 ISO \u6807\u51c6\uff0c\u6269\u5927\u4e86\u5c3a\u5bf8\uff0c\u5e76\u6539\u8fdb\u4e86\u516c\u5dee\uff0c\u4ee5\u5b9e\u73b0\u5168\u7403\u517c\u5bb9\u6027\u3002<\/p>\n<h3 style=\"font-size: 20px; margin-bottom: 10px;\">ST4.2\u63a8\u8350\u7684\u5bfc\u5411\u5b54\u5c3a\u5bf8\u662f\u591a\u5c11\uff1f<\/h3>\n<p style=\"margin-bottom: 20px;\">\u901a\u5e38\u4e3a 3.0-3.5 \u6beb\u7c73\uff0c\u5177\u4f53\u53d6\u51b3\u4e8e\u6750\u6599\uff1b\u6d4b\u8bd5\u4ee5\u83b7\u5f97\u6700\u4f73\u556e\u5408\u6548\u679c\uff0c\u786e\u4fdd\u4fdd\u6301\u529b\u800c\u4e0d\u5265\u843d\u3002<\/p>\n<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to the Standard GB\/T 5280-2002 specifies the thread dimensions and end types for self-tapping screws (sheet metal screws) with thread sizes ranging from ST1.5 to ST9.5. This standard ensures uniformity in manufacturing, facilitating reliable fastening in materials like metal sheets without pre-drilled holes. As a key reference in mechanical fastening, it defines parameters such [&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-5749","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5749","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/comments?post=5749"}],"version-history":[{"count":1,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5749\/revisions"}],"predecessor-version":[{"id":5750,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/posts\/5749\/revisions\/5750"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/media?parent=5749"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/categories?post=5749"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/zh\/wp-json\/wp\/v2\/tags?post=5749"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}