{"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\/it\/blog\/metric-unified-tapping-drill-sizes-chart\/","title":{"rendered":"Tabella delle dimensioni delle punte per maschiatura metriche e unificate"},"content":{"rendered":"<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Introduzione alla maschiatura e ai diametri dei fori filettati<\/h2>\n<p style=\"margin-bottom: 20px;\">Questa guida completa fornisce tabelle standardizzate per le dimensioni delle punte da maschiatura e i diametri interni delle filettature metriche e unificate. Secondo gli standard ISO e ANSI\/ASME, un'accurata preparazione del foro \u00e8 fondamentale per ottenere filettature interne di alta qualit\u00e0. Queste tabelle si concentrano sui maschi per estrusione (maschi a rullare senza trucioli), che deformano il materiale senza tagliare, offrendo vantaggi in termini di resistenza e operazioni senza trucioli. Per i maschi a taglio, fare riferimento al diametro massimo del foro post-maschiatura come riferimento. Tutte le dimensioni sono in millimetri (mm), salvo diversa indicazione, garantendo la conformit\u00e0 alle norme di settore come ISO 724 per le filettature metriche e ASME B1.1 per le filettature unificate.<\/p>\n<p style=\"margin-bottom: 20px;\">La corretta selezione dei diametri dei fori di pre-maschiatura riduce al minimo la rottura del maschio, garantisce l'integrit\u00e0 della filettatura e ottimizza le prestazioni dell'assemblaggio. Fattori come la duttilit\u00e0 del materiale, la lubrificazione e la rigidit\u00e0 della macchina influenzano i risultati. Questa risorsa \u00e8 essenziale per operatori, ingegneri e produttori nei settori aerospaziale, automobilistico e della meccanica generale.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Concetti chiave: foro pre-maschiatura vs. diametro filettatura interna post-maschiatura<\/h2>\n<p style=\"margin-bottom: 20px;\">\u00c8 fondamentale comprendere la distinzione tra diametro del foro pre-maschiatura e diametro della filettatura interna post-maschiatura:<\/p>\n<ul style=\"list-style-type: disc; margin-left: 20px; margin-bottom: 20px;\">\n<li><strong>Diametro del foro di pre-filettatura:<\/strong> Dimensioni iniziali del foro praticato prima della maschiatura, studiate appositamente per i maschi per estrusione, per consentire il flusso del materiale e formare filettature senza forza eccessiva.<\/li>\n<li><strong>Diametro filettatura interna post-filettatura:<\/strong> Diametro minore della filettatura interna formata, misurato dopo la maschiatura, che deve essere conforme alle classi di tolleranza (ad esempio, 6H per il sistema metrico).<\/li>\n<\/ul>\n<p style=\"margin-bottom: 20px;\">Per i maschi per estrusione, i fori di prefilettatura sono in genere 5-15% pi\u00f9 piccoli rispetto ai maschi per taglio, per facilitare la deformazione plastica. Verificare sempre le linee guida specifiche del materiale, poich\u00e9 materiali pi\u00f9 duri come l'acciaio inossidabile potrebbero richiedere dimensioni modificate per prevenire l'incrudimento o la rottura del maschio.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Dimensioni delle punte per maschiatura a filettatura metrica grossa (maschi per estrusione)<\/h2>\n<p style=\"margin-bottom: 20px;\">La tabella seguente riporta i dettagli delle filettature metriche a passo grosso secondo la norma ISO 724. Include i diametri minori post-maschiatura (min\/max) e le dimensioni dei fori pre-maschiatura per i maschi per estrusione. Utilizzare questi valori per l'acciaio al carbonio standard; adattare le leghe in base alla duttilit\u00e0.<\/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;\">Specifica<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Foro minimo post-filettatura (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Foro massimo post-filettatura (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pre-filettatura min (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pre-maschiatura Max (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: le celle vuote indicano valori standard generalmente non consigliati per l'estrusione in queste dimensioni; consultare la norma ISO 965 per alternative.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Dimensioni delle punte per maschiatura a filettatura fine metrica (maschi per estrusione)<\/h2>\n<p style=\"margin-bottom: 20px;\">Le filettature metriche a passo fine offrono una maggiore resistenza nelle applicazioni soggette a vibrazioni. La tabella seguente si riferisce alla serie a passo fine ISO 724, con dimensioni di prefilettatura ottimizzate per maschi per estrusione in materiali duttili.<\/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;\">Specifica<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Diametro standard (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pre-maschiatura Max (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pre-filettatura min (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;\">Per filettature fini, assicurarsi che la profondit\u00e0 del foro superi la lunghezza della filettatura di almeno 1,5 volte il passo, per consentire il passo del maschio e il flusso del materiale.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Dimensioni delle punte per maschiatura a filettatura grossa unificata (UNC) (maschi per estrusione)<\/h2>\n<p style=\"margin-bottom: 20px;\">Le filettature Unified Coarse (UNC) secondo ASME B1.1 sono comuni nelle applicazioni nordamericane. Le dimensioni sono convertite in mm per coerenza, con le specifiche originali in pollici.<\/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;\">Specifica<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Foro minimo post-filettatura (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Foro massimo post-filettatura (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pre-filettatura min (mm)<\/th>\n<th style=\"background-color: #f2f2f2; border: 1px solid #ddd; padding: 8px;\">Pre-maschiatura Max (mm)<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px;\">N. 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. 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. 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. 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. 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. 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. 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. 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. 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;\">Per dimensioni UNC pi\u00f9 grandi, i maschi per estrusione potrebbero richiedere attrezzature specializzate; per diametri superiori a 1\/2 pollice sono spesso preferiti i maschi da taglio.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Migliori pratiche per le operazioni di maschiatura<\/h2>\n<p style=\"margin-bottom: 20px;\">Per ottenere risultati ottimali nel tapping:<\/p>\n<ol style=\"list-style-type: decimal; margin-left: 20px; margin-bottom: 20px;\">\n<li>Per la prefilettatura dei fori, selezionare punte da trapano con tolleranze H7 o superiori.<\/li>\n<li>Utilizzare fluidi da taglio o lubrificanti adatti all'estrusione (ad esempio oli ad alta viscosit\u00e0 per alluminio).<\/li>\n<li>Mantenere l'allineamento del maschio entro 0,1 gradi per evitare la deformazione della filettatura.<\/li>\n<li>Ispezionare le filettature con calibri passa\/non passa dopo la maschiatura per garantire la conformit\u00e0 agli standard.<\/li>\n<li>Per produzioni di grandi volumi, si consiglia di prendere in considerazione la maschiatura CNC con cicli di picchi per ridurre l'accumulo di calore.<\/li>\n<\/ol>\n<p style=\"margin-bottom: 20px;\">L'osservanza di queste pratiche migliora la qualit\u00e0 della filettatura, riduce i difetti e prolunga la durata dell'utensile, in linea con le raccomandazioni ASME e ISO.<\/p>\n<h2 style=\"font-size: 1.5em; margin-top: 40px;\">Domande frequenti<\/h2>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Qual \u00e8 la differenza tra maschi per estrusione e maschi per taglio?<\/h3>\n<p style=\"margin-bottom: 20px;\">I maschi per estrusione formano filettature spostando il materiale, producendo filettature pi\u00f9 resistenti e senza trucioli, ideali per metalli teneri. I maschi per taglio asportano materiale, adatti per leghe pi\u00f9 dure, ma generano trucioli che richiedono una gestione accurata.<\/p>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Come posso adattare le dimensioni dei fori di pre-filettatura ai diversi materiali?<\/h3>\n<p style=\"margin-bottom: 20px;\">Per materiali duttili come l'ottone, utilizzare la dimensione minima di pre-filettatura. Per materiali fragili come la ghisa, optare per maschi da taglio e fori pi\u00f9 grandi per evitare cricche, secondo gli standard specifici del materiale come l'ASTM.<\/p>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Perch\u00e9 alcune celle della tabella sono vuote?<\/h3>\n<p style=\"margin-bottom: 20px;\">Gli spazi vuoti indicano le dimensioni in cui la maschiatura per estrusione \u00e8 meno comune o non standardizzata; consultare ISO 965 o ASME B1.1 per alternative oppure utilizzare le linee guida per la maschiatura da taglio.<\/p>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Quale classe di tolleranza dovrei cercare nelle filettature interne?<\/h3>\n<p style=\"margin-bottom: 20px;\">Per uso generale, si consigliano tolleranze 6H (metriche) o 2B (unificate). Le applicazioni di precisione potrebbero richiedere tolleranze 4H o 3B, verificate con calibri calibrati.<\/p>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Questi grafici possono essere utilizzati per l'acciaio inossidabile?<\/h3>\n<p style=\"margin-bottom: 20px;\">S\u00ec, ma aumentare il foro di pre-filettatura di 2-5% per i gradi di incrudimento come l'acciaio inossidabile 304 per prevenire il grippaggio. Eseguire sempre una prova pilota e applicare composti antigrippanti.<\/p>\n<h3 style=\"font-size: 1.2em; margin-top: 20px;\">Quanto deve essere profondo il foro per la maschiatura?<\/h3>\n<p style=\"margin-bottom: 20px;\">Eseguire un foro di almeno 1,5-2 volte la profondit\u00e0 della filettatura pi\u00f9 la lunghezza dello smusso del filetto per garantire il completo inserimento della filettatura ed evitare il fondo.<\/p>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to Tapping and Thread Hole Diameters This comprehensive guide provides standardized charts for tapping drill sizes and resulting internal thread diameters for metric and unified threads. As per ISO and ANSI\/ASME standards, accurate hole preparation is critical for achieving high-quality internal threads. These charts focus on extrusion taps (chipless forming taps), which deform the [&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-5774","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/posts\/5774","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/comments?post=5774"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/posts\/5774\/revisions"}],"predecessor-version":[{"id":5776,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/posts\/5774\/revisions\/5776"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/media?parent=5774"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/categories?post=5774"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/it\/wp-json\/wp\/v2\/tags?post=5774"}],"curies":[{"name":"parola chiave","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}