全英美制粗细螺纹详细参数表

美制粗螺纹规格UNC外径2级牙钻孔径标准径最小NO.1-64(1.854)NO.2-56(2.184)NO.3-48(2.515)NO.4-40(2.845)2.157NO.5-40(3.173)NO.6-32(3.505)2.8952.642NO.8-32(4.166)NO.10-24(4.826)3.6834.54.3445.2574.97988.1539\16-1221.97125.34924.639828.52427.81331.11530.35334.2933.52839.539.82738.96444.679英制管螺纹规格标准径钻孔径最大PS1\16-286.6326.49PS1\8-288.58.6878.495Ps1\4-19PS3\8-19PS1\2-14PS3\4-1424.25923.975PS1\4-1130.111PS1-1\4-1139.13238.772PS1-1\2-1144.845.025PS2-1\2-1156.836规格标准径使用铱刀时不用铱刀时据无大径PT1\16-286.384PT1\8-288.188.388PT1\4-19PT3\8-19PT1\2-14PT3\4-1423.523.663PT1\4-1129.5PT1-1\4-1138.339PT1-1\2-1143.4PT2-2-11螺距P=1英中经E=D-0寸/牙数惠式螺纹(旧英制牙)规格钻头径A例B例........W1\4-205W516-185W3\8-168W716-14W1\2-12W916-12W58-1113.5………………W3\4-10W78-9W1-822.4W1\8-728.3W1318-6W11\2-633.833.5W1518-5W13.4-5W1118-541.5W2-41\24544.74.牙套螺纹攻用牙套螺纹攻用钻头径下孔径上限……………3.1…3124.24.3……8.48.52……………31………………10.5毛毛……10.31…………12.43M12*1.5………12.3M14*2……14.5……………14349…14.5…………14.37M16*2………………16.49M18*1.5…………………1321.04M220*1.520.520.6220.37山数(25.4)节数0.2540.35180.39690.79381.81432.1167983.175764.233355.6444438.8348M2.5*0.35M3*0.35M3.5*0.35M4*0.50M4.5*0.50M5.5*0.50M6*0.75M7*0.75M8*1.0M8*0.75M9*1.0581级-2级螺纹内径上限 4.4594.959 规格上限下限M1*0.25M1.1*0.25M1.2*.25M1.4*0.3M1.6*0.35M1.7*0.35M1.8*0.35M3*0.5*M3*0.6M3.5*0.6M4*0.7M4.5*0.753.8783.688M5*0.84.24.3344.134*M5*0.94.14.1754.91721.25220.75226.526.77126.21129.77129.21140.129纹公制细螺纹规格标准径2级螺纹内径规格标准径2级螺纹内径上限下限上限下限99.15330.530.67630.3769.3789.18830.25229.7529.59.529.431.2130.8359.91731.531.67631.37633.533.67633.25232.75234.2133.83534.534.67634.37636.536.67636.37636.25235.75237.2136.83537.67637.37637.25236.75238.2137.83538.538.67638.37615.515.67614.91738.2737.6716.15315.37639.25238.75216.2115.83540.2139.83516.516.67616.37640.540.67640.37617.15316.91741.2740.6718.2117.83542.25241.75218.518.67618.37643.2119.15318.91743.543.67643.3762020.2119.83544.2721.15320.91746.2145.83522.2121.83546.546.67646.37622.522.67647.25246.75223.15322.917M50*248.2147.83523.2122.83548.548.67623.523.67623.376M25*1.024.15323.91724.524.67624.37625.2124.83525.525.67625.37626.15325.91726.2125.83526.526.67626.373M28*1.027.15326.91727.25226.75228.2127.83528.528.67628.37629.15328.91730.2129.835公制粗螺纹规格标准径最太最小2.12.1382.0132.1132.5992.4592.442.283.013.4223.2423.8783.6884.24.3344.1344.14.173.985.1534.91766.1535.9176.86.91