序号代号螺纹类型螺纹
规范
编程规范下载gsp规范下载钢格栅规范下载警徽规范下载建设厅规范下载
公螺纹母螺纹牙/寸锥度大径DS小径DF螺纹长L镗孔QF螺纹长L1NC2341:665.1052.476.266.792.122A10NC26(23/8"IF)41:673.0560.3576.274.692.13210NC31(27/8"IF)41:686.1371.3288.987.7104.84NC3541:694.9779.0995.296.8111.15310NC38(31/2"IF)41:6102.0185.07101.6103.6117.564A20NC40(4"FH)41:6108.7189.66114.3110.3130.27NC4441:6117.4898.43114.3119.1130.284A10NC46(4"IF)41:6122.78103.73114.3124.6130.29410NC50(41/2"IF)41:6133.35114.3114.3134.9130.210NC5641:4149.25117.5127150.8142.911NC6141:4163.53126.6139.7165.1155.612NC7041:4185.75147.65152.4187.3168.313NC7741:4203.20161.85165.1204.8181142A3023/8"REG51:466.6847.6376.269.392.11523027/8"RED51:476.2053.9888.977.8104.81633031/2"RED51:488.9065.08 95.290.5111.11743041/2"RED51:4117.4890.48107.9119.1123.81853051/2"RED41:4140.21110.06120.6141.7136.51963065/8"RED41:6152.20131.04127154142.92073075/8"RED41:4177.80144.48133.3180.2149.22183085/8"RED41:4201.98167.84136.5204.4152.42232031/2"FH51:4101.4577.6295.2102.8111.12342041/2"FH51:4121.7296.32101.6123.8117.52452051/2"FH41:6147.96126.79127150142.92562065/8"FH41:6171.53150.36127173.8142.92651/2"IF41:6162.48141.32127163.9142.9