{"id":5774,"date":"2025-12-25T01:00:42","date_gmt":"2025-12-25T01:00:42","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5774"},"modified":"2025-12-25T01:00:42","modified_gmt":"2025-12-25T01:00:42","slug":"metric-unified-tapping-drill-sizes-chart","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/pt\/blog\/metric-unified-tapping-drill-sizes-chart\/","title":{"rendered":"Tabela de tamanhos de brocas de rosca m\u00e9trica e unificada"},"content":{"rendered":"<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Introdu\u00e7\u00e3o \u00e0 Usinagem de Rosqueamento e Di\u00e2metros de Furos Roscados<\/h2>\n<p style=\"margin-bottom: 20px;\">Este guia completo fornece tabelas padronizadas para tamanhos de brocas de rosca e di\u00e2metros de rosca interna resultantes para roscas m\u00e9tricas e unificadas. De acordo com as normas ISO e ANSI\/ASME, a prepara\u00e7\u00e3o precisa do furo \u00e9 fundamental para obter roscas internas de alta qualidade. Estas tabelas focam em machos de extrus\u00e3o (machos de conforma\u00e7\u00e3o sem cavacos), que deformam o material sem cortar, oferecendo vantagens em resist\u00eancia e opera\u00e7\u00f5es sem cavacos. Para machos de corte, consulte o di\u00e2metro m\u00e1ximo do furo ap\u00f3s a roscagem como refer\u00eancia. Todas as dimens\u00f5es est\u00e3o em mil\u00edmetros (mm), salvo indica\u00e7\u00e3o em contr\u00e1rio, garantindo a conformidade com normas da ind\u00fastria como a ISO 724 para roscas m\u00e9tricas e a ASME B1.1 para roscas unificadas.<\/p>\n<p style=\"margin-bottom: 20px;\">A sele\u00e7\u00e3o adequada do di\u00e2metro do furo de pr\u00e9-rosqueamento minimiza a quebra do macho, garante a integridade da rosca e otimiza o desempenho da montagem. Fatores como ductilidade do material, lubrifica\u00e7\u00e3o e rigidez da m\u00e1quina influenciam os resultados. Este recurso \u00e9 essencial para operadores de m\u00e1quinas, engenheiros e fabricantes nas \u00e1reas aeroespacial, automotiva e de aplica\u00e7\u00f5es mec\u00e2nicas em geral.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Conceitos-chave: Furo pr\u00e9-rosqueamento vs. Di\u00e2metro da rosca interna p\u00f3s-rosqueamento<\/h2>\n<p style=\"margin-bottom: 20px;\">Compreender a diferen\u00e7a entre o di\u00e2metro do furo antes da rosca e o di\u00e2metro da rosca interna ap\u00f3s a rosca \u00e9 fundamental:<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 20px;\">\n<li><strong>Di\u00e2metro do furo pr\u00e9-rosqueamento:<\/strong> O di\u00e2metro inicial do furo, antes da roscagem, \u00e9 projetado para machos de extrus\u00e3o, permitindo o fluxo do material e a forma\u00e7\u00e3o de roscas sem for\u00e7a excessiva.<\/li>\n<li><strong>Di\u00e2metro da rosca interna ap\u00f3s a usinagem:<\/strong> O di\u00e2metro menor da rosca interna formada, medido ap\u00f3s a usinagem, deve estar de acordo com as classes de toler\u00e2ncia (por exemplo, 6H para medidas m\u00e9tricas).<\/li>\n<\/ul>\n<p style=\"margin-bottom: 20px;\">Para machos de extrus\u00e3o, os furos de pr\u00e9-rosqueamento s\u00e3o normalmente 5-15% menores do que os de machos de corte para facilitar a deforma\u00e7\u00e3o pl\u00e1stica. Sempre verifique as diretrizes espec\u00edficas do material, pois materiais mais duros, como o a\u00e7o inoxid\u00e1vel, podem exigir tamanhos ajustados para evitar o endurecimento por trabalho ou a falha do macho.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Tamanhos de brocas m\u00e9tricas para rosca grossa (machos de extrus\u00e3o)<\/h2>\n<p style=\"margin-bottom: 20px;\">A tabela a seguir detalha as roscas m\u00e9tricas grossas de acordo com a norma ISO 724. Ela inclui os di\u00e2metros menores p\u00f3s-rosqueamento (m\u00ednimo\/m\u00e1ximo) e os di\u00e2metros dos furos pr\u00e9-rosqueamento para machos de extrus\u00e3o. Use esses valores para a\u00e7o carbono padr\u00e3o; ajuste para ligas com base na ductilidade.<\/p>\n<div class=\"scrollable-table\" style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Especifica\u00e7\u00e3o<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Di\u00e2metro m\u00ednimo do furo p\u00f3s-rosqueamento (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Di\u00e2metro m\u00e1ximo do furo ap\u00f3s a fura\u00e7\u00e3o (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pr\u00e9-rosqueamento m\u00ednimo (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pr\u00e9-rosqueamento m\u00e1ximo (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1x0,25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.73<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.78<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,1\u00d70,25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.83<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.89<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,2\u00d70,25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.93<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.98<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,4\u00d70,3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.08<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.23<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.26<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,6\u00d70,35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.32<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,7\u00d70,35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.33<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.42<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.55<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,8\u00d70,35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.42<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2x0,4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.57<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.67<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.77<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.83<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2,2\u00d70,45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.71<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.84<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.95<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.01<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2,3\u00d70,45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.87<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.97<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.07<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.13<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2,5\u00d70,45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.01<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.31<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2,6\u00d70,45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.12<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.23<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.41<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3x0,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.46<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.72<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.79<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3,5\u00d70,6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.85<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.01<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.24<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4x0,7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.42<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.69<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4,5\u00d70,75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.69<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.88<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.07<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.17<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M5x0,8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.13<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.33<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.55<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.65<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M6x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.92<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.43<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.55<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M7x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.92<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.43<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.55<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8x1,25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.65<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.91<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.29<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.42<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M9x1,25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.65<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.91<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.29<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.42<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.38<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.68<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.3<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M11x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.38<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.68<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.3<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12x1,75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.11<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.44<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.01<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.19<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M14x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.84<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M16x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.84<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin-bottom: 20px;\">Nota: As c\u00e9lulas em branco indicam valores padr\u00e3o que normalmente n\u00e3o s\u00e3o recomendados para extrus\u00e3o nesses tamanhos; consulte a norma ISO 965 para alternativas.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Tamanhos de brocas m\u00e9tricas para rosca fina (machos de extrus\u00e3o)<\/h2>\n<p style=\"margin-bottom: 20px;\">As roscas m\u00e9tricas finas oferecem maior resist\u00eancia em aplica\u00e7\u00f5es sujeitas a vibra\u00e7\u00e3o. A tabela abaixo segue a s\u00e9rie de roscas finas ISO 724, com dimens\u00f5es de pr\u00e9-rosqueamento otimizadas para machos de extrus\u00e3o em materiais d\u00facteis.<\/p>\n<div class=\"scrollable-table\" style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Especifica\u00e7\u00e3o<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Di\u00e2metro padr\u00e3o (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pr\u00e9-rosqueamento m\u00e1ximo (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pr\u00e9-rosqueamento m\u00ednimo (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,0x0,2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.821<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.783<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,1\u00d70,2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.921<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.883<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,2\u00d70,2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.021<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">0.983<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,4\u00d70,2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.221<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.183<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,6\u00d70,2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.421<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.383<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,7\u00d70,2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.46<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M1,8\u00d70,2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.621<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.583<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2.0x0.25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.785<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.729<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2,2\u00d70,25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.95<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.985<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.929<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2,3\u00d70,25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.05<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.061<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.001<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2,5\u00d70,35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.221<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.121<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M2,6\u00d70,35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.246<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.186<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3.0x0.35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.721<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.621<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M3,5\u00d70,35<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.2<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.221<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.121<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4.0x0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.599<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.459<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M4,5\u00d70,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.099<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.959<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M5.0x0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.599<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.459<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M5,5\u00d70,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.099<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.959<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M6,0x0,75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.378<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.188<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M6.0x0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.55<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M7,0x0,75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.378<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.188<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M7,0x0,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.55<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8.0x1.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8,0x0,75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.378<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.188<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M8.0x0.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M9.0x1.0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M9,0x0,75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.378<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.188<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10x1,25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.912<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.647<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10x0,75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.378<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.188<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M10x0,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M11x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M11x0,75<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.378<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.188<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M12x0,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.52<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.4<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M14x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M14x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M15x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M15x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M16x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M16x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">14.91<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M17x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M17x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M18x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">15.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M18x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M18x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M20x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">17.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M20x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M20x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">18.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M22x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M22x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M22x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">20.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M24x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M24x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M24x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M25x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M25x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M25x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">23.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M26x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M27x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">24.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M27x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M27x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">26<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">26.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M28x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">26<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">26.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">25.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M28x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">26.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">26.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">26.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M28x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">27<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">27.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">26.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30x3,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">27<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">27.252<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">26.752<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">28<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">28.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">27.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">28.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">28.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">28.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M30x1,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">29<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">29.153<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">28.917<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M32x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">30.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">29.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M32x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">30.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">30.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">30.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M33x3,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">30<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">30.252<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">29.752<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M33x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">31<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">31.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">30.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M33x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">31.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">31.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">31.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M36x3,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">33<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">33.252<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">32.752<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M36x2,0<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">34<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">34.21<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">33.835<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M36x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">34.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">34.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">34.376<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">M35x1,5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">33.5<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">33.676<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">33.376<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin-bottom: 20px;\">Para roscas finas, certifique-se de que a profundidade do furo exceda o comprimento da rosca em pelo menos 1,5 vezes o passo, para permitir a passagem do macho e o fluxo do material.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Tamanhos de brocas para rosca grossa unificada (UNC) (machos de extrus\u00e3o)<\/h2>\n<p style=\"margin-bottom: 20px;\">Roscas Unificadas Grossas (UNC) de acordo com a norma ASME B1.1 s\u00e3o comuns em aplica\u00e7\u00f5es na Am\u00e9rica do Norte. As dimens\u00f5es foram convertidas para mil\u00edmetros para manter a consist\u00eancia, com as especifica\u00e7\u00f5es originais em polegadas indicadas.<\/p>\n<div class=\"scrollable-table\" style=\"overflow-x: auto; margin-bottom: 20px;\">\n<table style=\"border-collapse: collapse; width: 100%;\">\n<thead>\n<tr>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Especifica\u00e7\u00e3o<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Di\u00e2metro m\u00ednimo do furo p\u00f3s-rosqueamento (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Di\u00e2metro m\u00e1ximo do furo ap\u00f3s a fura\u00e7\u00e3o (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pr\u00e9-rosqueamento m\u00ednimo (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pr\u00e9-rosqueamento m\u00e1ximo (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">N\u00ba 1-64UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.43<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.58<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.63<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.71<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">N\u00ba 2-56UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.69<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.87<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.93<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.02<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">N\u00ba 3-48UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1.94<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.22<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.32<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">N\u00ba 4-40UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.16<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.39<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.49<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.61<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">N\u00ba 5-40UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.49<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.7<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.82<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.92<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">N\u00ba 6-32UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.64<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">2.9<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.05<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.19<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">N\u00ba 8-32UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.3<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.53<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.71<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.83<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">N\u00ba 10-24UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.68<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3.96<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.23<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.37<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">N\u00ba 12-24UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.34<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.88<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.02<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1\/4-20UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">4.98<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.26<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.63<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5.77<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5\/16-18UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.4<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">6.73<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.13<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.3<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/8-16UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7.8<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.15<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.63<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">8.8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7\/16-14UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.14<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9.55<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.09<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.29<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1\/2-13UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">10.59<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.02<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.6<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.82<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">9\/16-12UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">11.99<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">12.45<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">5\/8-11UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.39<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">13.87<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">3\/4-10UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.31<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">16.84<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">7\/8-9UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.18<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">19.76<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">1-8UNC<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">21.97<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">22.61<\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<td style=\"border: 1px solid #ddd; padding: 8px;\"><\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin-bottom: 20px;\">Para tamanhos UNC maiores, machos de extrus\u00e3o podem exigir equipamentos especializados; machos de corte s\u00e3o geralmente preferidos para di\u00e2metros acima de 1\/2 polegada.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Melhores pr\u00e1ticas para opera\u00e7\u00f5es de perfura\u00e7\u00e3o<\/h2>\n<p style=\"margin-bottom: 20px;\">Para obter resultados \u00f3timos na t\u00e9cnica de tapping:<\/p>\n<ol style=\"list-style-type: decimal; margin-left: 20px; margin-bottom: 20px;\">\n<li>Selecione brocas com toler\u00e2ncias de H7 ou melhores para pr\u00e9-rosqueamento de furos.<\/li>\n<li>Utilize fluidos de corte ou lubrificantes adequados para extrus\u00e3o (por exemplo, \u00f3leos de alta viscosidade para alum\u00ednio).<\/li>\n<li>Mantenha o alinhamento da rosca dentro de 0,1 graus para evitar distor\u00e7\u00e3o da rosca.<\/li>\n<li>Inspecione as roscas com calibradores passa\/n\u00e3o passa ap\u00f3s a abertura da rosca para garantir a conformidade com as normas.<\/li>\n<li>Para produ\u00e7\u00e3o em grande volume, considere a usinagem CNC com ciclos de avan\u00e7o intermitente para reduzir o ac\u00famulo de calor.<\/li>\n<\/ol>\n<p style=\"margin-bottom: 20px;\">A ades\u00e3o a essas pr\u00e1ticas melhora a qualidade da rosca, reduz defeitos e prolonga a vida \u00fatil da ferramenta, estando em conformidade com as recomenda\u00e7\u00f5es da ASME e da ISO.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Perguntas frequentes<\/h2>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Qual a diferen\u00e7a entre machos de extrus\u00e3o e machos de corte?<\/h3>\n<p style=\"margin-bottom: 20px;\">Machos de extrus\u00e3o formam roscas deslocando material, produzindo roscas mais resistentes e sem cavacos, ideais para metais macios. Machos de corte removem material, sendo adequados para ligas mais duras, mas gerando cavacos que exigem controle.<\/p>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Como fa\u00e7o para ajustar o tamanho dos furos de pr\u00e9-rosca para diferentes materiais?<\/h3>\n<p style=\"margin-bottom: 20px;\">Para materiais d\u00facteis como o lat\u00e3o, utilize a dimens\u00e3o m\u00ednima de pr\u00e9-rosqueamento. Para materiais fr\u00e1geis como o ferro fundido, opte por machos de corte e furos maiores para evitar trincas, conforme normas espec\u00edficas do material, como as da ASTM.<\/p>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Por que algumas c\u00e9lulas da tabela est\u00e3o em branco?<\/h3>\n<p style=\"margin-bottom: 20px;\">Os espa\u00e7os em branco indicam tamanhos onde a extrus\u00e3o por rosca \u00e9 menos comum ou n\u00e3o padronizada; consulte a ISO 965 ou a ASME B1.1 para alternativas ou utilize as diretrizes de corte de rosca.<\/p>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Qual a classe de toler\u00e2ncia que devo buscar para roscas internas?<\/h3>\n<p style=\"margin-bottom: 20px;\">Para uso geral, busque toler\u00e2ncias de 6H (m\u00e9tricas) ou 2B (unificadas). Aplica\u00e7\u00f5es de precis\u00e3o podem exigir 4H ou 3B, verificadas com instrumentos de medi\u00e7\u00e3o calibrados.<\/p>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Essas tabelas podem ser usadas para a\u00e7o inoxid\u00e1vel?<\/h3>\n<p style=\"margin-bottom: 20px;\">Sim, mas aumente o di\u00e2metro do furo de pr\u00e9-rosqueamento em 2-5% para a\u00e7os endurec\u00edveis por trabalho, como o 304SS, para evitar o engripamento. Sempre fa\u00e7a um teste piloto e aplique compostos antiengripantes.<\/p>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Qual deve ser a profundidade do furo para a rosca?<\/h3>\n<p style=\"margin-bottom: 20px;\">Fa\u00e7a um furo com pelo menos 1,5 a 2 vezes a profundidade da rosca mais o comprimento do chanfro do macho para garantir o engate completo da rosca e evitar que ela chegue ao fundo.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Introdu\u00e7\u00e3o \u00e0 Usinagem de Rosqueamento e Di\u00e2metros de Furos Roscados Este guia completo fornece tabelas padronizadas para tamanhos de brocas de roscagem e os di\u00e2metros de rosca interna resultantes para roscas m\u00e9tricas e unificadas. De acordo com as normas ISO e ANSI\/ASME, a prepara\u00e7\u00e3o precisa do furo \u00e9 fundamental para obter roscas internas de alta qualidade. Estas tabelas focam em machos de extrus\u00e3o (machos de conforma\u00e7\u00e3o sem cavacos), que deformam o [\u2026]<\/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-5774","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/posts\/5774","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/comments?post=5774"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/posts\/5774\/revisions"}],"predecessor-version":[{"id":5776,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/posts\/5774\/revisions\/5776"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/media?parent=5774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/categories?post=5774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/pt\/wp-json\/wp\/v2\/tags?post=5774"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}