美制粗螺纹／英制管螺纹.xls
美制粗螺纹英制管螺纹 规格UNC外径 2级牙钻孔径 规格标准径 钻孔径 标准径最大最小最大最小 NO.1－64（1.8541.551.5821.452 PS1\16-286.56.6326.49 NO.2-562.1841.81.8711.695 PS1\8-288.58.6878.495 NO.3-482.5152.12.1461.941 Ps1\4-1911.411.54911.341 NO.4-402.8452.32.3852.157 PS3\8-191515.05414.846 NO.5-403.1732.62.6792.487 PS1\2-1418.518.73318.489 NO.6-323.5052.82.8952.642 PS3\4-142424.25923.975 NO.8-324.1663.43.533.302 PS1\4-1130.230.47130.111 NO.10-244.8263.93.9623.683 PS1-1\4-1138.839.13238.772 NO.12-245.4864.54.5974.344 PS1-1\2-1144.845.02544.665 1\4-205.15.2574.979 PS2-1\2-1156.556.83656.476 5\16-186.66.7316.401 3\8-1688.1537.793英制管螺纹 7\16-149.49.559.144 规格 标准径有效牙部之长标准长度之 1\2-1310.811.02310.592 使用铰刀时不用铰刀时度中螺牙内径螺牙内 径 9\16-1212.212.44611.989 PT1\16-286.16.26.384 5\8-1113.612.86813.386 PT1\8-288.188.388 3\4-1016.518.8416.307 PT1\4-1910.71111.174 7\8-919.519.76119.507 PT3\8-1914.214.514.685 1\8-822.222.60621.971 PT1\2-1417.61318.263 1-1\8-72525.34924.6398 PT3\4-142323.523.663 1-1\4-728.228.52427.813 PT1\4-112929.529.822 1-3\8-630.831.11530.353 PT1-1\4-1137.53838.339 1-1\2-63434.2933.528 PT1-1\2-1143.44444.232 1-3\4-539.539.82738.964 PT2-2-1154.955.555.844 1-4-1\245.245.59344.679
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