458通规5.0035.0124.310止规5.0935.1024.402161/4-20UNC2B0.7300.733通规6.6156.6245.525止规6.7306.7395.641171/4-28UNF2B0.5200.523通规6.5356.5445.761止规6.6356.6445.862181/4-32UNEF2B0.4600.458通规5.834止规5.931195/16-18UNC2B0.8100.814通规8.2298.2387.021止规8.3548.3637.148205/16-24UNF2B0.6090.611通规8.1638.1727.249止规8.2768.2857.363215/16-32UNEF2B0.4600.458通规8.1158.1247.422止规8.2128.2217.521223/8-16UNC2B0.9400.916通规9.9399.9488.494止规10.07510.0848.639233/8-24UNF2B0.6100.611通规9.7509.7598.837止规9.8669.8759.017243/8-32UNEF2B0.4600.458通规9.7029.7119.009止规9.8059.8149.114257/16-14UNC2B1.0501.040通规11.51311.5229.934止规11.65911.6689.942267/16-20UNF2B0.7300.733通规11.37711.38610.287止规11.50511.51410.417277/16-28UNEF2B0.5200.523通规11.29811.30710.523止规11.40611.41510.632281/2-13UNC2B1.128通规11.430止规11.587M值范围供参考mm查表3也可以查表1与表2算得查表3也可以查表1与表2算得