螺纹基本尺寸对照表文档格式.docx

1、20.95519.79318.631-0.142-0.284G5/822.91121.74920.587G3/426.44125.27924.117+0.180+0.640G1 1133.24931.77030.291-0.180-0.360G1.1/441.91040.43138.952G1.1/247.80346.32444.854G259.61458.13556.656+0.217G2.1/2”X1175.18473.70572.226-0.217-0.434G3”X1187.88486.40584.926G3.1/2100.33098.85197.372英制锥管螺纹基本尺寸及公差（牙形

2、角 55o） BSPT基面上的直径基准长度有效螺纹长度圆锥内螺纹基面轴向 位移偏差（ mm）基本最大最小R1/84.04.93.16.57.45.61.1R1/46.07.34.79.711.08.41.7R3/86.47.75.110.111.48.8R1/28.210.013.215.02.3R3/49.511.314.516.312.7R110.48.116.819.12.9R1.1/421.4R1.1/244.845R215.918.213.623.425.721.1R2.1/2 ” X1117.521.014.026.730.223.23.5R3” X1120.624.117.129

3、.833.326.3R3.1/2 ” X1122.218.731.434.927.9美制管螺纹基本尺寸及公差（牙形角 60o） UN（F）公差等级2A2BJIC 螺纹7/16 20UNF11.07910.87410.25410.1479.56810.03310.28710.42411.1131/212.66712.46111.84111.73211.15611.32811.60811.87512.0179/16 18UNF14.25214.03113.33513.22112.57312.75113.08113.37113.5214.2883/4 16UNF19.01218.77317.9811

4、7.85417.1217.32317.67818.01918.18419.057/8 14UNF22.18421.92321.00620.86920.02520.26920.67621.04621.22422.2251-1/16 12UN26.94426.65525.5725.42524.42524.68925.14625.61325.80126.9881-5/16 33.29433.00531.9231.77330.77531.03931.49631.96332.15433.3381-5/841.22940.9439.88539.70538.7138.98939.44639.90140.09

5、441.2751-7/847.57947.2946.20546.05345.0645.33945.79646.25146.44947.6252-1/263.45263.16262.07861.9260.93261.21461.67162.12662.33263.5ORFS 螺纹11/16 16UN17.42717.18816.39616.27415.53515.74816.10416.43116.58917.46313/1620.59920.36119.56819.44418.70718.92319.27919.60619.76620.6381 25.35725.09524.17824.036

6、23.19523.44423.82524.22124.40725.41-3/16 30.11929.8328.74528.59827.627.86428.32128.78828.97930.1631-7/16 36.46736.17735.09334.94333.94734.21434.67135.13835.33136.5131-11/1642.81742.52741.44341.2940.29740.56441.02141.48841.68642.863250.75450.46549.3849.22548.23548.51448.97149.42649.62750.8SAE 螺纹5/815.83915.61814.92314.80314.16114.35114.68114.95815.1115.875 14UN26.94726.68325.74325.60824.7424.96825.37525.78325.96126.987其它美制螺纹14.01313.10112.3612.92913.25613.41122.18221.89220.80820.66819.66219.93920.39620.85121.0342-1/457.10456.81555.7355.57554.58554.86455.32155.77655.97657.1