npt,pt,g各种螺纹的区别2

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1、公制螺纹规格,英制螺纹规格2007-06-2114:46　　6g外螺纹大径6H内螺纹小径序号规格型号最大最小公差最大最小公差1M10*19.9749.7940.1809.1578.9170.2402M12*1.511.96811.7320.23610.67610.3760.3003M14*1.513.96813.7320.23612.67612.3760.3004M16*1.515.96815.7320.23614.67614.3760.3005M18*1.517.96817.7320.23616.67616.3760.3006M2

2、0*1.519.96819.7320.23618.67618.3760.3007M22*1.521.96821.7320.23620.67620.3760.3008M24*1.523.96823.7320.23622.67622.3760.3009M26*1.525.96825.7320.23624.67624.3760.30010M27*1.526.96826.7320.23625.67625.3760.30011M30*1.529.96829.7320.23628.67628.3760.30012M27*226.96226.68

3、20.28025.21024.8350.37513M30*229.96229.6820.28028.21027.8350.37514M33*232.96232.6820.28031.21030.8350.37515M36*235.96235.6820.28034.21033.8350.37516M42*241.96241.6820.28040.21039.8350.375　　　　　　　　1G1/8-289.7289.5140.2148.8488.5660.2822G1/4-1913.15712.9070.25011.89011.44

4、50.4453G3/8-1916.66216.4120.25015.39514.9500.4454G1/2-1420.95520.6710.28419.17218.6310.5415G3/4-1426.44126.1570.28424.65824.1170.5416G1-1133.24932.8890.36030.93130.2910.6407G11/4-1141.91041.5500.36039.59238.9520.6408G11/2-1147.80347.4430.36045.48544.8450.640螺纹规格-美制、英制、

5、公制2007-06-2114:49美制细牙UNF2A外螺纹大（UNFUN）                    2B内螺纹小径（UN、UNF）序号规格型号最大最小公差最小最大公差17/16"-2011.07910.8740.2069.72810.0330.30521/2"-2012.66712.4610.20611.32811.6080.27939/16"-1814.25214.0310.22112.75113.0810.33043/4"-1619.01218.7730.23917.32317.6780.35657/8"-1422

6、.18421.9230.26220.26920.6760.406611/16-1226.94426.6550.29024.68925.1460.457715/16-1233.29433.0050.29031.03931.4960.457815/8-1241.22940.9400.29038.98939.4460.457917/8-1247.57947.2900.29045.33945.7960.4571021/2-1263.45263.1620.29061.21461.6710.457　公制细牙6g外螺纹大径6H内螺纹小径1M10*

7、19.9749.7940.1808.9179.1570.2402M12*1.511.96811.7320.23610.37610.6760.3003M14*1.513.96813.7320.23612.37612.6760.3004M16*1.515.96815.7320.23614.37614.6760.3005M18*1.517.96817.7320.23616.37616.6760.3006M20*1.519.96819.7320.23618.37618.6760.3007M22*1.521.96821.7320.23620.

8、37620.6760.3008M24*1.523.96823.7320.23622.37622.6760.3009M26*1.525.96825.7320.23624.37624.6760.30010M27*1.526.96826.7