{"id":5751,"date":"2025-12-24T05:09:10","date_gmt":"2025-12-24T05:09:10","guid":{"rendered":"https:\/\/korea-transmission.com\/?p=5751"},"modified":"2025-12-24T05:09:10","modified_gmt":"2025-12-24T05:09:10","slug":"gb-t-197-2018-thread-tolerance-standard","status":"publish","type":"post","link":"https:\/\/korea-transmission.com\/es\/blog\/gb-t-197-2018-thread-tolerance-standard\/","title":{"rendered":"Norma GB\/T 197-2018 sobre tolerancia de roscas"},"content":{"rendered":"<div style=\"margin-bottom: 40px;\">\n<h2 style=\"color: #444; border-bottom: 1px solid #ddd; padding-bottom: 10px;\">Introducci\u00f3n a la Norma<\/h2>\n<p style=\"margin: 10px 0;\">La norma GB\/T 197-2018 especifica las tolerancias para roscas m\u00e9tricas de uso general, garantizando la intercambiabilidad y el rendimiento en aplicaciones mec\u00e1nicas. Esta norma define las desviaciones fundamentales, las tolerancias de di\u00e1metro, las longitudes de acoplamiento y las zonas preferidas para roscas internas y externas, y es aplicable a industrias como la automotriz, la aeroespacial y la de maquinaria.<\/p>\n<p style=\"margin: 10px 0;\">Las tolerancias se clasifican por grados (del 3 al 9), donde los n\u00fameros m\u00e1s bajos indican mayor precisi\u00f3n. Las desviaciones fundamentales (EI\/es) definen la posici\u00f3n del campo de tolerancia, mientras que las tolerancias (T) definen su amplitud. La norma admite tres grupos de longitud de acoplamiento: corta (S), normal (N) y larga (L), que gu\u00edan los tipos de ajuste desde holgura hasta interferencia.<\/p>\n<ul style=\"margin: 10px 0 10px 20px;\">\n<li>Las roscas internas utilizan las posiciones G y H.<\/li>\n<li>Los hilos externos utilizan a, b, c, d, e, f, g, h.<\/li>\n<li>Las zonas preferidas, como 6H\/6g, garantizan un ajuste fiable.<\/li>\n<\/ul>\n<p style=\"margin: 10px 0;\">Esta gu\u00eda proporciona informaci\u00f3n pr\u00e1ctica para seleccionar tolerancias y optimizar los dise\u00f1os en cuanto a facilidad de fabricaci\u00f3n y funcionalidad.<\/p>\n<\/div>\n<div style=\"margin-bottom: 40px;\">\n<h2 style=\"color: #444; border-bottom: 1px solid #ddd; padding-bottom: 10px;\">Desviaciones fundamentales para hilos internos y externos<\/h2>\n<p style=\"margin: 10px 0;\">La Tabla 1 muestra las desviaciones fundamentales (EI para internas, es para externas) en \u03bcm, seg\u00fan el paso (P). Estas desviaciones definen la zona de tolerancia en relaci\u00f3n con el perfil b\u00e1sico, lo cual es crucial para el control del ajuste.<\/p>\n<div class=\"table-wrapper\" style=\"overflow-x: auto; margin: 20px 0;\">\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"4\">Paso P (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"10\">Desviaci\u00f3n fundamental (\u03bcm)<\/th>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">Hilos internos<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"8\">Hilos externos<\/th>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">G EI<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">H EI<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">un es<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">ser<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">c es<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">de es<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">e es<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">f es<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">g es<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">\u00e9l es<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.2<\/td>\n<td>17<\/td>\n<td>0<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>-17<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.25<\/td>\n<td>18<\/td>\n<td>0<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>-18<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.3<\/td>\n<td>18<\/td>\n<td>0<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>-18<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.35<\/td>\n<td>19<\/td>\n<td>0<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>-34<\/td>\n<td>-19<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.4<\/td>\n<td>19<\/td>\n<td>0<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>-34<\/td>\n<td>-19<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.45<\/td>\n<td>20<\/td>\n<td>0<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>-35<\/td>\n<td>-20<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.5<\/td>\n<td>20<\/td>\n<td>0<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>-50<\/td>\n<td>-36<\/td>\n<td>-20<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.6<\/td>\n<td>21<\/td>\n<td>0<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>-53<\/td>\n<td>-36<\/td>\n<td>-21<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.7<\/td>\n<td>22<\/td>\n<td>0<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>-56<\/td>\n<td>-38<\/td>\n<td>-22<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.75<\/td>\n<td>22<\/td>\n<td>0<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>-56<\/td>\n<td>-38<\/td>\n<td>-22<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.8<\/td>\n<td>24<\/td>\n<td>0<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>-60<\/td>\n<td>-38<\/td>\n<td>-24<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1<\/td>\n<td>26<\/td>\n<td>0<\/td>\n<td>-290<\/td>\n<td>-200<\/td>\n<td>-130<\/td>\n<td>-85<\/td>\n<td>-60<\/td>\n<td>-40<\/td>\n<td>-26<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1.25<\/td>\n<td>28<\/td>\n<td>0<\/td>\n<td>-295<\/td>\n<td>-205<\/td>\n<td>-135<\/td>\n<td>-90<\/td>\n<td>-63<\/td>\n<td>-42<\/td>\n<td>-28<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1.5<\/td>\n<td>32<\/td>\n<td>0<\/td>\n<td>-300<\/td>\n<td>-212<\/td>\n<td>-140<\/td>\n<td>-95<\/td>\n<td>-67<\/td>\n<td>-45<\/td>\n<td>-32<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1.75<\/td>\n<td>34<\/td>\n<td>0<\/td>\n<td>-310<\/td>\n<td>-220<\/td>\n<td>-145<\/td>\n<td>-100<\/td>\n<td>-71<\/td>\n<td>-48<\/td>\n<td>-34<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">2<\/td>\n<td>38<\/td>\n<td>0<\/td>\n<td>-315<\/td>\n<td>-225<\/td>\n<td>-150<\/td>\n<td>-105<\/td>\n<td>-71<\/td>\n<td>-52<\/td>\n<td>-38<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">2.5<\/td>\n<td>42<\/td>\n<td>0<\/td>\n<td>-325<\/td>\n<td>-235<\/td>\n<td>-160<\/td>\n<td>-110<\/td>\n<td>-80<\/td>\n<td>-58<\/td>\n<td>-42<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">3<\/td>\n<td>48<\/td>\n<td>0<\/td>\n<td>-335<\/td>\n<td>-245<\/td>\n<td>-170<\/td>\n<td>-115<\/td>\n<td>-85<\/td>\n<td>-63<\/td>\n<td>-48<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">3.5<\/td>\n<td>53<\/td>\n<td>0<\/td>\n<td>-345<\/td>\n<td>-255<\/td>\n<td>-180<\/td>\n<td>-125<\/td>\n<td>-90<\/td>\n<td>-70<\/td>\n<td>-53<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">4<\/td>\n<td>60<\/td>\n<td>0<\/td>\n<td>-355<\/td>\n<td>-265<\/td>\n<td>-190<\/td>\n<td>-130<\/td>\n<td>-95<\/td>\n<td>-75<\/td>\n<td>-60<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">4.5<\/td>\n<td>63<\/td>\n<td>0<\/td>\n<td>-365<\/td>\n<td>-280<\/td>\n<td>-200<\/td>\n<td>-135<\/td>\n<td>-100<\/td>\n<td>-80<\/td>\n<td>-63<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">5<\/td>\n<td>71<\/td>\n<td>0<\/td>\n<td>-375<\/td>\n<td>-290<\/td>\n<td>-212<\/td>\n<td>-140<\/td>\n<td>-106<\/td>\n<td>-85<\/td>\n<td>-71<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">5.5<\/td>\n<td>75<\/td>\n<td>0<\/td>\n<td>-385<\/td>\n<td>-300<\/td>\n<td>-224<\/td>\n<td>-150<\/td>\n<td>-112<\/td>\n<td>-90<\/td>\n<td>-75<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">6<\/td>\n<td>80<\/td>\n<td>0<\/td>\n<td>-395<\/td>\n<td>-310<\/td>\n<td>-236<\/td>\n<td>-155<\/td>\n<td>-118<\/td>\n<td>-95<\/td>\n<td>-80<\/td>\n<td>0<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">8<\/td>\n<td>100<\/td>\n<td>0<\/td>\n<td>-425<\/td>\n<td>-340<\/td>\n<td>-265<\/td>\n<td>-180<\/td>\n<td>-140<\/td>\n<td>-118<\/td>\n<td>-100<\/td>\n<td>0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin: 10px 0;\">Utilice las desviaciones para determinar el ajuste: positivo para la holgura interna, negativo para la externa para lograr la interferencia o holgura deseada.<\/p>\n<\/div>\n<div style=\"margin-bottom: 40px;\">\n<h2 style=\"color: #444; border-bottom: 1px solid #ddd; padding-bottom: 10px;\">Tolerancias para el di\u00e1metro menor de las roscas internas (T_{D1})<\/h2>\n<p style=\"margin: 10px 0;\">La tabla 2 especifica T_{D1} en \u03bcm por paso, para grados 4 a 8. Esto garantiza un espacio libre adecuado para la ra\u00edz, evitando interferencias.<\/p>\n<div class=\"table-wrapper\" style=\"overflow-x: auto; margin: 20px 0;\">\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">Paso P (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"5\">Grado de tolerancia<\/th>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">4<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">5<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">6<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">7<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.2<\/td>\n<td>38<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.25<\/td>\n<td>45<\/td>\n<td>56<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.3<\/td>\n<td>53<\/td>\n<td>67<\/td>\n<td>85<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.35<\/td>\n<td>63<\/td>\n<td>80<\/td>\n<td>100<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.4<\/td>\n<td>71<\/td>\n<td>90<\/td>\n<td>112<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.45<\/td>\n<td>80<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.5<\/td>\n<td>90<\/td>\n<td>112<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.6<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.7<\/td>\n<td>112<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.75<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.8<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1.25<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<td>425<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1.5<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<td>475<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1.75<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<td>425<\/td>\n<td>530<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">2<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<td>475<\/td>\n<td>600<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">2.5<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<td>450<\/td>\n<td>560<\/td>\n<td>710<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">3<\/td>\n<td>315<\/td>\n<td>400<\/td>\n<td>500<\/td>\n<td>630<\/td>\n<td>800<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">3.5<\/td>\n<td>355<\/td>\n<td>450<\/td>\n<td>560<\/td>\n<td>710<\/td>\n<td>900<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">4<\/td>\n<td>375<\/td>\n<td>475<\/td>\n<td>600<\/td>\n<td>750<\/td>\n<td>950<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">4.5<\/td>\n<td>425<\/td>\n<td>530<\/td>\n<td>670<\/td>\n<td>850<\/td>\n<td>1060<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">5<\/td>\n<td>450<\/td>\n<td>560<\/td>\n<td>710<\/td>\n<td>900<\/td>\n<td>1120<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">5.5<\/td>\n<td>475<\/td>\n<td>600<\/td>\n<td>750<\/td>\n<td>950<\/td>\n<td>1180<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">6<\/td>\n<td>500<\/td>\n<td>630<\/td>\n<td>800<\/td>\n<td>1000<\/td>\n<td>1250<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">8<\/td>\n<td>630<\/td>\n<td>800<\/td>\n<td>1000<\/td>\n<td>1250<\/td>\n<td>1600<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin: 10px 0;\">Los grados superiores ofrecen tolerancias m\u00e1s estrictas, adecuadas para ajustes de precisi\u00f3n en pasos peque\u00f1os.<\/p>\n<\/div>\n<div style=\"margin-bottom: 40px;\">\n<h2 style=\"color: #444; border-bottom: 1px solid #ddd; padding-bottom: 10px;\">Tolerancias para el di\u00e1metro mayor de las roscas externas (T_d)<\/h2>\n<p style=\"margin: 10px 0;\">La Tabla 3 define T_d en \u03bcm por paso, para los grados 4, 6 y 8. Estos controlan la holgura de la cresta, lo que influye en la resistencia de la rosca.<\/p>\n<div class=\"table-wrapper\" style=\"overflow-x: auto; margin: 20px 0;\">\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">Paso P (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"3\">Grado de tolerancia<\/th>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">4<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">6<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.2<\/td>\n<td>36<\/td>\n<td>56<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.25<\/td>\n<td>42<\/td>\n<td>67<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.3<\/td>\n<td>48<\/td>\n<td>75<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.35<\/td>\n<td>53<\/td>\n<td>85<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.4<\/td>\n<td>60<\/td>\n<td>95<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.45<\/td>\n<td>63<\/td>\n<td>100<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.5<\/td>\n<td>67<\/td>\n<td>106<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.6<\/td>\n<td>80<\/td>\n<td>125<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.7<\/td>\n<td>90<\/td>\n<td>140<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.75<\/td>\n<td>90<\/td>\n<td>140<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">0.8<\/td>\n<td>95<\/td>\n<td>150<\/td>\n<td>236<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1<\/td>\n<td>112<\/td>\n<td>180<\/td>\n<td>280<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1.25<\/td>\n<td>132<\/td>\n<td>212<\/td>\n<td>335<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1.5<\/td>\n<td>150<\/td>\n<td>236<\/td>\n<td>375<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">1.75<\/td>\n<td>170<\/td>\n<td>265<\/td>\n<td>425<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">2<\/td>\n<td>180<\/td>\n<td>280<\/td>\n<td>450<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">2.5<\/td>\n<td>212<\/td>\n<td>335<\/td>\n<td>530<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">3<\/td>\n<td>236<\/td>\n<td>375<\/td>\n<td>600<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">3.5<\/td>\n<td>265<\/td>\n<td>425<\/td>\n<td>670<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">4<\/td>\n<td>300<\/td>\n<td>475<\/td>\n<td>750<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">4.5<\/td>\n<td>315<\/td>\n<td>500<\/td>\n<td>800<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">5<\/td>\n<td>335<\/td>\n<td>530<\/td>\n<td>850<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">5.5<\/td>\n<td>355<\/td>\n<td>560<\/td>\n<td>900<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">6<\/td>\n<td>375<\/td>\n<td>600<\/td>\n<td>950<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">8<\/td>\n<td>450<\/td>\n<td>710<\/td>\n<td>1180<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin: 10px 0;\">Los grados 4 y 6 son para mayor precisi\u00f3n, el 8 para ajustes holgados en pasos m\u00e1s grandes.<\/p>\n<\/div>\n<div style=\"margin-bottom: 40px;\">\n<h2 style=\"color: #444; border-bottom: 1px solid #ddd; padding-bottom: 10px;\">Tolerancias para el di\u00e1metro primitivo de las roscas internas (T_{D2})<\/h2>\n<p style=\"margin: 10px 0;\">La tabla 4 proporciona T_{D2} en \u03bcm, segmentado por di\u00e1metro mayor (D) y paso, para los grados 4 a 8. Las tolerancias del di\u00e1metro de paso son cr\u00edticas para la capacidad de carga.<\/p>\n<div class=\"table-wrapper\" style=\"overflow-x: auto; margin: 20px 0;\">\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">Di\u00e1metro mayor D (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">Paso P (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"5\">Grado de tolerancia<\/th>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">&gt;<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u2264<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">4<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">5<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">6<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">7<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">8<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"3\">0.99<\/td>\n<td rowspan=\"3\">1.4<\/td>\n<td>0.2<\/td>\n<td>40<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>45<\/td>\n<td>56<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.3<\/td>\n<td>48<\/td>\n<td>60<\/td>\n<td>75<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"5\">1.4<\/td>\n<td rowspan=\"5\">2.8<\/td>\n<td>0.2<\/td>\n<td>42<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>48<\/td>\n<td>60<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.35<\/td>\n<td>53<\/td>\n<td>67<\/td>\n<td>85<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.4<\/td>\n<td>56<\/td>\n<td>71<\/td>\n<td>90<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.45<\/td>\n<td>60<\/td>\n<td>75<\/td>\n<td>95<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"6\">2.8<\/td>\n<td rowspan=\"6\">5.6<\/td>\n<td>0.35<\/td>\n<td>56<\/td>\n<td>71<\/td>\n<td>90<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.5<\/td>\n<td>63<\/td>\n<td>80<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.6<\/td>\n<td>71<\/td>\n<td>90<\/td>\n<td>112<\/td>\n<td>140<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.7<\/td>\n<td>75<\/td>\n<td>95<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.75<\/td>\n<td>75<\/td>\n<td>95<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.8<\/td>\n<td>80<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"4\">5.6<\/td>\n<td rowspan=\"4\">11.2<\/td>\n<td>0.75<\/td>\n<td>85<\/td>\n<td>106<\/td>\n<td>132<\/td>\n<td>170<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>95<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<\/tr>\n<tr>\n<td>1.25<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<\/tr>\n<tr>\n<td>1.5<\/td>\n<td>112<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"6\">11.2<\/td>\n<td rowspan=\"6\">22.4<\/td>\n<td>1<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<\/tr>\n<tr>\n<td>1.25<\/td>\n<td>112<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<\/tr>\n<tr>\n<td>1.5<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<\/tr>\n<tr>\n<td>1.75<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>132<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<\/tr>\n<tr>\n<td>2.5<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"7\">22.4<\/td>\n<td rowspan=\"7\">45<\/td>\n<td>1<\/td>\n<td>106<\/td>\n<td>132<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>1.5<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<td>425<\/td>\n<\/tr>\n<tr>\n<td>3.5<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<td>450<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<td>475<\/td>\n<\/tr>\n<tr>\n<td>4.5<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<td>400<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"7\">45<\/td>\n<td rowspan=\"7\">90<\/td>\n<td>1.5<\/td>\n<td>132<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<td>450<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<td>400<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<td>425<\/td>\n<td>530<\/td>\n<\/tr>\n<tr>\n<td>5.5<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<td>450<\/td>\n<td>560<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<td>475<\/td>\n<td>600<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"5\">90<\/td>\n<td rowspan=\"5\">180<\/td>\n<td>2<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<td>400<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<td>475<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<td>425<\/td>\n<td>530<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<td>400<\/td>\n<td>500<\/td>\n<td>630<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<td>450<\/td>\n<td>560<\/td>\n<td>710<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"4\">180<\/td>\n<td rowspan=\"4\">355<\/td>\n<td>3<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<td>425<\/td>\n<td>530<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<td>475<\/td>\n<td>600<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<td>425<\/td>\n<td>530<\/td>\n<td>670<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<td>475<\/td>\n<td>600<\/td>\n<td>750<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin: 10px 0;\">Las tolerancias aumentan con el di\u00e1metro y el paso, lo que permite variaciones de fabricaci\u00f3n en roscas de mayor di\u00e1metro.<\/p>\n<\/div>\n<div style=\"margin-bottom: 40px;\">\n<h2 style=\"color: #444; border-bottom: 1px solid #ddd; padding-bottom: 10px;\">Tolerancias para el di\u00e1metro primitivo de las roscas externas (T_{d2})<\/h2>\n<p style=\"margin: 10px 0;\">La Tabla 5 detalla T_{d2} en \u03bcm, por di\u00e1metro mayor (d) y paso, para los grados 3 a 9. Estos son fundamentales para el acoplamiento de la rosca y la distribuci\u00f3n de la carga.<\/p>\n<div class=\"table-wrapper\" style=\"overflow-x: auto; margin: 20px 0;\">\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">Di\u00e1metro mayor d (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"2\">Paso P (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"7\">Grado de tolerancia<\/th>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">&gt;<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u2264<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">3<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">4<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">5<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">6<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">7<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">8<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">9<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"3\">0.99<\/td>\n<td rowspan=\"3\">1.4<\/td>\n<td>0.2<\/td>\n<td>24<\/td>\n<td>30<\/td>\n<td>38<\/td>\n<td>48<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>26<\/td>\n<td>34<\/td>\n<td>42<\/td>\n<td>53<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.3<\/td>\n<td>28<\/td>\n<td>36<\/td>\n<td>45<\/td>\n<td>56<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"5\">1.4<\/td>\n<td rowspan=\"5\">2.8<\/td>\n<td>0.2<\/td>\n<td>25<\/td>\n<td>32<\/td>\n<td>40<\/td>\n<td>50<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>28<\/td>\n<td>36<\/td>\n<td>45<\/td>\n<td>56<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.35<\/td>\n<td>32<\/td>\n<td>40<\/td>\n<td>50<\/td>\n<td>63<\/td>\n<td>80<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.4<\/td>\n<td>34<\/td>\n<td>42<\/td>\n<td>53<\/td>\n<td>67<\/td>\n<td>85<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.45<\/td>\n<td>36<\/td>\n<td>45<\/td>\n<td>56<\/td>\n<td>71<\/td>\n<td>90<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"6\">2.8<\/td>\n<td rowspan=\"6\">5.6<\/td>\n<td>0.35<\/td>\n<td>34<\/td>\n<td>42<\/td>\n<td>53<\/td>\n<td>67<\/td>\n<td>85<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.5<\/td>\n<td>38<\/td>\n<td>48<\/td>\n<td>60<\/td>\n<td>75<\/td>\n<td>95<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.6<\/td>\n<td>42<\/td>\n<td>53<\/td>\n<td>67<\/td>\n<td>85<\/td>\n<td>106<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.7<\/td>\n<td>45<\/td>\n<td>56<\/td>\n<td>71<\/td>\n<td>90<\/td>\n<td>112<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.75<\/td>\n<td>45<\/td>\n<td>56<\/td>\n<td>71<\/td>\n<td>90<\/td>\n<td>112<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>0.8<\/td>\n<td>48<\/td>\n<td>60<\/td>\n<td>75<\/td>\n<td>95<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"4\">5.6<\/td>\n<td rowspan=\"4\">11.2<\/td>\n<td>0.75<\/td>\n<td>50<\/td>\n<td>63<\/td>\n<td>80<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>–<\/td>\n<td>–<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>56<\/td>\n<td>71<\/td>\n<td>90<\/td>\n<td>112<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<\/tr>\n<tr>\n<td>1.25<\/td>\n<td>60<\/td>\n<td>75<\/td>\n<td>95<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<\/tr>\n<tr>\n<td>1.5<\/td>\n<td>67<\/td>\n<td>85<\/td>\n<td>106<\/td>\n<td>132<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"6\">11.2<\/td>\n<td rowspan=\"6\">22.4<\/td>\n<td>1<\/td>\n<td>60<\/td>\n<td>75<\/td>\n<td>95<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<\/tr>\n<tr>\n<td>1.25<\/td>\n<td>67<\/td>\n<td>85<\/td>\n<td>106<\/td>\n<td>132<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<\/tr>\n<tr>\n<td>1.5<\/td>\n<td>71<\/td>\n<td>90<\/td>\n<td>112<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<\/tr>\n<tr>\n<td>1.75<\/td>\n<td>75<\/td>\n<td>95<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>80<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<\/tr>\n<tr>\n<td>2.5<\/td>\n<td>85<\/td>\n<td>106<\/td>\n<td>132<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"7\">22.4<\/td>\n<td rowspan=\"7\">45<\/td>\n<td>1<\/td>\n<td>63<\/td>\n<td>80<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<\/tr>\n<tr>\n<td>1.5<\/td>\n<td>75<\/td>\n<td>95<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>85<\/td>\n<td>106<\/td>\n<td>132<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<td>400<\/td>\n<\/tr>\n<tr>\n<td>3.5<\/td>\n<td>106<\/td>\n<td>132<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<td>425<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>112<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<td>450<\/td>\n<\/tr>\n<tr>\n<td>4.5<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<td>475<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"7\">45<\/td>\n<td rowspan=\"7\">90<\/td>\n<td>1.5<\/td>\n<td>80<\/td>\n<td>100<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>90<\/td>\n<td>112<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>106<\/td>\n<td>132<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<td>425<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<td>475<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<td>400<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>5.5<\/td>\n<td>132<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<td>425<\/td>\n<td>530<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<td>450<\/td>\n<td>560<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"5\">90<\/td>\n<td rowspan=\"5\">180<\/td>\n<td>2<\/td>\n<td>95<\/td>\n<td>118<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>112<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<td>450<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<td>400<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>150<\/td>\n<td>190<\/td>\n<td>236<\/td>\n<td>300<\/td>\n<td>375<\/td>\n<td>475<\/td>\n<td>600<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>170<\/td>\n<td>212<\/td>\n<td>265<\/td>\n<td>335<\/td>\n<td>425<\/td>\n<td>530<\/td>\n<td>670<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"4\">180<\/td>\n<td rowspan=\"4\">355<\/td>\n<td>3<\/td>\n<td>125<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<td>400<\/td>\n<td>500<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>140<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<td>450<\/td>\n<td>560<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>160<\/td>\n<td>200<\/td>\n<td>250<\/td>\n<td>315<\/td>\n<td>400<\/td>\n<td>500<\/td>\n<td>630<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>180<\/td>\n<td>224<\/td>\n<td>280<\/td>\n<td>355<\/td>\n<td>450<\/td>\n<td>560<\/td>\n<td>710<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin: 10px 0;\">El grado 3 es para ultraprecisi\u00f3n, hasta el grado 9 para ajustes gruesos en di\u00e1metros grandes.<\/p>\n<\/div>\n<div style=\"margin-bottom: 40px;\">\n<h2 style=\"color: #444; border-bottom: 1px solid #ddd; padding-bottom: 10px;\">Longitudes de acoplamiento de rosca<\/h2>\n<p style=\"margin: 10px 0;\">La tabla 6 define las longitudes de acoplamiento en mm seg\u00fan el di\u00e1metro mayor y el paso, agrupadas como S (corta), N (normal) y L (larga). Estas influyen en la selecci\u00f3n de la tolerancia para la capacidad de carga.<\/p>\n<div class=\"table-wrapper\" style=\"overflow-x: auto; margin: 20px 0;\">\n<table style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">Di\u00e1metro mayor D\/d (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"3\">Paso P (mm)<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"1\" rowspan=\"2\">S \u2264<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"2\">norte<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" colspan=\"1\" rowspan=\"2\">L &gt;<\/th>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">&gt;<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u2264<\/th>\n<\/tr>\n<tr>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">&gt;<\/th>\n<th style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\">\u2264<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"3\">0.99<\/td>\n<td rowspan=\"3\">1.4<\/td>\n<td>0.2<\/td>\n<td>0.5<\/td>\n<td>0.5<\/td>\n<td>1.4<\/td>\n<td>1.4<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>0.6<\/td>\n<td>0.6<\/td>\n<td>1.7<\/td>\n<td>1.7<\/td>\n<\/tr>\n<tr>\n<td>0.3<\/td>\n<td>0.7<\/td>\n<td>0.7<\/td>\n<td>2<\/td>\n<td>2<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"5\">1.4<\/td>\n<td rowspan=\"5\">2.8<\/td>\n<td>0.2<\/td>\n<td>0.5<\/td>\n<td>0.5<\/td>\n<td>1.5<\/td>\n<td>1.5<\/td>\n<\/tr>\n<tr>\n<td>0.25<\/td>\n<td>0.6<\/td>\n<td>0.6<\/td>\n<td>1.9<\/td>\n<td>1.9<\/td>\n<\/tr>\n<tr>\n<td>0.35<\/td>\n<td>0.8<\/td>\n<td>0.8<\/td>\n<td>2.6<\/td>\n<td>2.6<\/td>\n<\/tr>\n<tr>\n<td>0.4<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>3<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>0.45<\/td>\n<td>1.3<\/td>\n<td>1.3<\/td>\n<td>3.8<\/td>\n<td>3.8<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"6\">2.8<\/td>\n<td rowspan=\"6\">5.6<\/td>\n<td>0.35<\/td>\n<td>1<\/td>\n<td>1<\/td>\n<td>3<\/td>\n<td>3<\/td>\n<\/tr>\n<tr>\n<td>0.5<\/td>\n<td>1.5<\/td>\n<td>1.5<\/td>\n<td>4.5<\/td>\n<td>4.5<\/td>\n<\/tr>\n<tr>\n<td>0.6<\/td>\n<td>1.7<\/td>\n<td>1.7<\/td>\n<td>5<\/td>\n<td>5<\/td>\n<\/tr>\n<tr>\n<td>0.7<\/td>\n<td>2<\/td>\n<td>2<\/td>\n<td>6<\/td>\n<td>6<\/td>\n<\/tr>\n<tr>\n<td>0.75<\/td>\n<td>2.2<\/td>\n<td>2.2<\/td>\n<td>6.7<\/td>\n<td>6.7<\/td>\n<\/tr>\n<tr>\n<td>0.8<\/td>\n<td>2.5<\/td>\n<td>2.5<\/td>\n<td>7.5<\/td>\n<td>7.5<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"4\">5.6<\/td>\n<td rowspan=\"4\">11.2<\/td>\n<td>0.75<\/td>\n<td>2.4<\/td>\n<td>2.4<\/td>\n<td>7.1<\/td>\n<td>7.1<\/td>\n<\/tr>\n<tr>\n<td>1<\/td>\n<td>3<\/td>\n<td>3<\/td>\n<td>9<\/td>\n<td>9<\/td>\n<\/tr>\n<tr>\n<td>1.25<\/td>\n<td>4<\/td>\n<td>4<\/td>\n<td>12<\/td>\n<td>12<\/td>\n<\/tr>\n<tr>\n<td>1.5<\/td>\n<td>5<\/td>\n<td>5<\/td>\n<td>15<\/td>\n<td>15<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"6\">11.2<\/td>\n<td rowspan=\"6\">22.4<\/td>\n<td>1<\/td>\n<td>3.8<\/td>\n<td>3.8<\/td>\n<td>11<\/td>\n<td>11<\/td>\n<\/tr>\n<tr>\n<td>1.25<\/td>\n<td>4.5<\/td>\n<td>4.5<\/td>\n<td>13<\/td>\n<td>13<\/td>\n<\/tr>\n<tr>\n<td>1.5<\/td>\n<td>5.6<\/td>\n<td>5.6<\/td>\n<td>16<\/td>\n<td>16<\/td>\n<\/tr>\n<tr>\n<td>1.75<\/td>\n<td>6<\/td>\n<td>6<\/td>\n<td>18<\/td>\n<td>18<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>8<\/td>\n<td>8<\/td>\n<td>24<\/td>\n<td>24<\/td>\n<\/tr>\n<tr>\n<td>2.5<\/td>\n<td>10<\/td>\n<td>10<\/td>\n<td>30<\/td>\n<td>30<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"7\">22.4<\/td>\n<td rowspan=\"7\">45<\/td>\n<td>1<\/td>\n<td>4<\/td>\n<td>4<\/td>\n<td>12<\/td>\n<td>12<\/td>\n<\/tr>\n<tr>\n<td>1.5<\/td>\n<td>6.3<\/td>\n<td>6.3<\/td>\n<td>19<\/td>\n<td>19<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>8.5<\/td>\n<td>8.5<\/td>\n<td>25<\/td>\n<td>25<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>12<\/td>\n<td>12<\/td>\n<td>36<\/td>\n<td>36<\/td>\n<\/tr>\n<tr>\n<td>3.5<\/td>\n<td>15<\/td>\n<td>15<\/td>\n<td>45<\/td>\n<td>45<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>18<\/td>\n<td>18<\/td>\n<td>53<\/td>\n<td>53<\/td>\n<\/tr>\n<tr>\n<td>4.5<\/td>\n<td>21<\/td>\n<td>21<\/td>\n<td>63<\/td>\n<td>63<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"7\">45<\/td>\n<td rowspan=\"7\">90<\/td>\n<td>1.5<\/td>\n<td>7.5<\/td>\n<td>7.5<\/td>\n<td>22<\/td>\n<td>22<\/td>\n<\/tr>\n<tr>\n<td>2<\/td>\n<td>9.5<\/td>\n<td>9.5<\/td>\n<td>28<\/td>\n<td>28<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>15<\/td>\n<td>15<\/td>\n<td>45<\/td>\n<td>45<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>19<\/td>\n<td>19<\/td>\n<td>56<\/td>\n<td>56<\/td>\n<\/tr>\n<tr>\n<td>5<\/td>\n<td>24<\/td>\n<td>24<\/td>\n<td>71<\/td>\n<td>71<\/td>\n<\/tr>\n<tr>\n<td>5.5<\/td>\n<td>28<\/td>\n<td>28<\/td>\n<td>85<\/td>\n<td>85<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>32<\/td>\n<td>32<\/td>\n<td>95<\/td>\n<td>95<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"5\">90<\/td>\n<td rowspan=\"5\">180<\/td>\n<td>2<\/td>\n<td>12<\/td>\n<td>12<\/td>\n<td>36<\/td>\n<td>36<\/td>\n<\/tr>\n<tr>\n<td>3<\/td>\n<td>18<\/td>\n<td>18<\/td>\n<td>53<\/td>\n<td>53<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>24<\/td>\n<td>24<\/td>\n<td>71<\/td>\n<td>71<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>36<\/td>\n<td>36<\/td>\n<td>106<\/td>\n<td>106<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>45<\/td>\n<td>45<\/td>\n<td>132<\/td>\n<td>132<\/td>\n<\/tr>\n<tr>\n<td style=\"border: 1px solid #ddd; padding: 8px; text-align: left;\" rowspan=\"4\">180<\/td>\n<td rowspan=\"4\">355<\/td>\n<td>3<\/td>\n<td>20<\/td>\n<td>20<\/td>\n<td>60<\/td>\n<td>60<\/td>\n<\/tr>\n<tr>\n<td>4<\/td>\n<td>26<\/td>\n<td>26<\/td>\n<td>80<\/td>\n<td>80<\/td>\n<\/tr>\n<tr>\n<td>6<\/td>\n<td>40<\/td>\n<td>40<\/td>\n<td>118<\/td>\n<td>118<\/td>\n<\/tr>\n<tr>\n<td>8<\/td>\n<td>50<\/td>\n<td>50<\/td>\n<td>150<\/td>\n<td>150<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<p style=\"margin: 10px 0;\">Seleccione el grupo seg\u00fan la aplicaci\u00f3n: S para compromisos cortos, L para cargas de trabajo elevadas.<\/p>\n<\/div>\n<div style=\"margin-bottom: 40px;\">\n<h2 style=\"color: #444; border-bottom: 1px solid #ddd; padding-bottom: 10px;\">Zonas de tolerancia preferidas<\/h2>\n<p style=\"margin: 10px 0;\">Las zonas preferidas combinan desviaci\u00f3n y tolerancia para ajustes comunes. Para roscas internas: 4G, 5G, 6G, 4H, 5H, 6H, 7H, 8H. Para roscas externas: 4H, 5G, 6G, 6E, 6F, 6G, 6H, 7G, 8G. Ejemplo: 6H\/6G para ajuste de holgura de precisi\u00f3n media.<\/p>\n<p style=\"margin: 10px 0;\">Estas zonas facilitan la selecci\u00f3n de est\u00e1ndares, garantizando la compatibilidad en las cadenas de suministro globales.<\/p>\n<\/div>\n<div style=\"margin-bottom: 40px;\">\n<h2 style=\"color: #444; border-bottom: 1px solid #ddd; padding-bottom: 10px;\">Preguntas frecuentes (FAQ)<\/h2>\n<hr \/>\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li style=\"list-style-type: none;\">\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li><strong>\u00bfCu\u00e1l es el papel de las desviaciones fundamentales?<\/strong><br \/>\nDeterminan la zona de tolerancia, estableciendo el tipo de ajuste: EI positivo para holgura interna, es negativo para holgura externa.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<hr \/>\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li style=\"list-style-type: none;\">\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li><strong>\u00bfC\u00f3mo seleccionar el grupo de duraci\u00f3n del compromiso?<\/strong><br \/>\nEn funci\u00f3n de la carga y la vibraci\u00f3n, elija S para la versi\u00f3n corta, N para la normal y L para la larga; la versi\u00f3n L proporciona mayor resistencia, pero requiere tolerancias m\u00e1s estrictas.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<hr \/>\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li style=\"list-style-type: none;\">\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li><strong>\u00bfPor qu\u00e9 son cr\u00edticas las tolerancias del di\u00e1metro primitivo?<\/strong><br \/>\nControlan la zona de contacto, lo que afecta a la distribuci\u00f3n de la carga y a la resistencia a la fatiga; los grados m\u00e1s ajustados evitan el aflojamiento.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<hr \/>\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li style=\"list-style-type: none;\">\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li><strong>\u00bfQu\u00e9 es una zona de tolerancia preferida como 6H\/6g?<\/strong><br \/>\nCombina el grado 6 con desviaciones H\/g para un ajuste de holgura de precisi\u00f3n media, ampliamente utilizado en ingenier\u00eda general.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<hr \/>\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li style=\"list-style-type: none;\">\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li><strong>\u00bfC\u00f3mo var\u00edan las tolerancias en funci\u00f3n del paso y el di\u00e1metro?<\/strong><br \/>\nSu tama\u00f1o aumenta con pasos y di\u00e1metros mayores para adaptarse a los desaf\u00edos de fabricaci\u00f3n sin comprometer la funcionalidad.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<hr \/>\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li style=\"list-style-type: none;\">\n<ol style=\"margin: 10px 0 10px 20px;\">\n<li><strong>\u00bfPuede aplicarse la norma a las roscas recubiertas?<\/strong><br \/>\nS\u00ed, con ajustes; designe como p. ej., 6 g (antes del recubrimiento) para ajuste posterior al recubrimiento seg\u00fan las directrices del anexo.<\/li>\n<\/ol>\n<\/li>\n<\/ol>\n<hr \/>\n<\/div>\n<p>&nbsp;<\/p>","protected":false},"excerpt":{"rendered":"<p>Introduction to the Standard GB\/T 197-2018 specifies tolerances for general purpose metric screw threads, ensuring interchangeability and performance in mechanical applications. This standard defines fundamental deviations, diameter tolerances, engagement lengths, and preferred zones for internal and external threads, applicable to industries like automotive, aerospace, and machinery. Tolerances are categorized by grades (3 to 9), with [&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-5751","post","type-post","status-publish","format-standard","hentry","category-technical-documentation-and-references"],"_links":{"self":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/posts\/5751","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/comments?post=5751"}],"version-history":[{"count":2,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/posts\/5751\/revisions"}],"predecessor-version":[{"id":5753,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/posts\/5751\/revisions\/5753"}],"wp:attachment":[{"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/media?parent=5751"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/categories?post=5751"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/korea-transmission.com\/es\/wp-json\/wp\/v2\/tags?post=5751"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}