英制螺纹规格详细.pdf

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1、英制普通螺纹(惠氏螺纹)--小螺纹系列(BA)每英寸牙名义尺寸大径螺距数中径小径牙型高底孔直径BAmmmmtpimm外螺纹H1mm牙型代号d=Dpd2=D2d3No.14BA10.23110.40.860.720.140.75No.13BA1.20.25101.61.050.90.150.95No.12BA1.30.2890.711.130.960.171No.11BA1.50.3181.931.3151.130.1851.2No.10BA1.70.3572.571.491.280.211.35No.9BA1.90.3965.121.6651.430.2351.5No.8BA2.20.43

2、59.071.941.680.261.8No.7BA2.50.4852.922.211.920.292No.6BA2.80.5347.922.482.160.322.3No.5BA3.20.5943.052.8452.490.3552.6No.4BA3.60.6638.483.2052.810.3952.95No.3BA4.10.7334.793.663.220.443.4No.2BA4.70.8131.354.2153.730.4853.9No.1BA5.30.928.224.764.220.544.4No.0BA6125.45.44.80.6555°圆锥管螺纹型式和尺寸（2006-03

3、-1314:38:47）每英寸牙基本尺寸大径螺距数中径小径牙型高度圆弧尺寸底孔尺寸英寸mmmmtpimm外螺纹H1rmm螺纹代号d=Dpd2=D2d3R1/161/16＂7.7230.907287.1426.5610.5810.1256.4R1/81/8＂9.7280.907289.1478.5660.5810.1258.4R1/41/4＂13.1571.3371912.30111.4450.8560.18411.2R3/83/8＂16.6621.3371915.80614.950.8560.18414.75R1/21/2＂20.9551.8141419.79318.6311.1620.2

4、4918.25R3/43/4＂26.4411.8141425.27924.1171.1620.24923.75R11＂33.2492.3091131.7730.2911.4790.31730R11/411/4＂41.912.3091140.43138.9521.4790.31738.5R11/211/2＂47.8032.3091146.32444.8451.4790.31744.5R22＂59.6142.3091158.13556.6561.4790.31756R21/221/2＂75.1842.3091173.70572.2261.4790.31771R33＂87.8842.309118

5、6.40584.9261.4790.31785.5R44＂113.032.30911111.551110.0721.4790.317110.5R55＂138.432.30911136.951135.4721.4790.317136R66＂163.832.30911162.351160.8721.4790.317161.5制惠氏螺纹的型式尺寸英制普通螺纹(惠氏螺纹)--粗牙(BSW)每英寸牙名义尺寸大径螺距数中径小径牙型高底孔直径Wwmmmmtpimm外螺纹H1mm牙型代号d=Dpd2=D2d31/16＂BSW1.5870.423601.3151.050.271.153/32＂BSW2.38

6、10.529482.0411.7030.3381.91/8＂BSW3.1750.635402.7682.3620.4062.55/32＂BSW3.9690.793323.4592.9520.5073.23/16＂BSW4.7621.058244.0843.4070.6773.77/32＂BSW5.5561.058244.8784.2010.6774.51/4＂BSW6.351.27205.5374.7240.8135.15/16＂BSW7.9381.411187.0346.1310.9046.53/8＂BSW9.5251.588168.5097.4921.0177.97/16＂BSW11.

7、1131.814149.9518.7891.1629.21/2＂BSW12.72.1171211.3459.991.35510.45/8＂BSW15.8762.3091114.39712.9181.47913.43/4＂BSW19.0512.541017.42415.7981.62716.257/8＂BSW22.2262.822920.41918.6111.80719.251＂BSW25.43.175823.36821.