英制螺纹规格表

英制普通螺纹规格表 英制普通螺纹 (惠氏螺纹) - 小螺纹系列 (BA)名义尺寸牙型代号大径螺距每英寸牙数中径小径牙型高底孔直径BAmmmmtpimm外螺纹H1mmd=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. 8BA2.20.4359.071.941.680.261.8No. 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（2006-03-13 14:38:47 ）螺纹代号基本尺寸大径螺距每英寸牙数中径小径牙型高度圆弧尺寸底孔尺寸英 寸mmmmtpimm外螺纹H1rmmd=Dpd2=D2d3R 1/161/167.7230.907287.1426.5610.5810.1256.4R 1/81/89.7280.907289.1478.5660.5810.1258.4R 1/41/413.1571.3371912.30111.4450.8560.18411.2R 3/83/816.6621.3371915.80614.950.8560.18414.75R 1/21/220.9551.8141419.79318.6311.1620.24918.25R 3/43/426.4411.8141425.27924.1171.1620.24923.75R 1133.2492.3091131.7730.2911.4790.31730R 1 1/41 1/441.912.3091140.43138.9521.4790.31738.5R 1 1/21 1/247.8032.3091146.32444.8451.4790.31744.5R 2259.6142.3091158.13556.6561.4790.31756R 2 1/22 1/275.1842.3091173.70572.2261.4790.31771R 3387.8842.3091186.40584.9261.4790.31785.5R 44113.032.30911111.551110.0721.4790.317110.5R 55138.432.30911136.951135.4721.4790.317136R 66163.832.30911162.351160.8721.4790.317161.5制惠氏螺纹的型式尺寸英制普通螺纹 (惠氏螺纹) - 粗牙 (BSW)名义尺寸牙型代号大径螺距每英寸牙数中径小径牙型高底孔直径Wwmmmmtpimm外螺纹H1mmd=Dpd2=D2d31/16BSW1.5870.423601.3151.050.271.153/32BSW2.3810.529482.0411.7030.3381.91/8BSW3.1750.635402.7682.3620.4062.55/32BSW3.9690.793323.4592.9520.5073.23/16BSW4.7621.058244.0843.4070.6773.77/32BSW5.5561.058244.8784.2010.6774.51/4BSW6.351.27205.5374.7240.8135.15/16BSW7.9381.411187.0346.1310.9046.53/8BSW9.5251.588168.5097.4921.0177.97/16BSW11.1131.814149.9518.7891.1629.21/2BSW12.72.1171211.3459.991.35510.45/8BSW15.8762.3091114.39712.9181.47913.43/4BSW19.0512.541017.42415.7981.62716.257/8BSW22.2262.822920.41918.6111.80719.251BSW25.43.175823.36821.3352.033221 1/8BSW28.5763.629726.25323.9292.32424.51 1/4BSW31.7513.629729.42827.1042.32427.251 3/8BSW34.9264.233632.21529.5052.71130.251 1/2BSW38.14.233635.39132.682.71133.51 5/8BSW41.2775.08538.02434.7713.25335.51 3/4BSW44.4525.08541.19937.9463.25338.51 7/8BSW47.6275.6454 1/244.01240.3983.61441.252BSW50.8025.6454 1/247.18743.5733.61444.52 1/4BSW57.1526.35453.08649.024.066502 1/2BSW63.5026.35459.43655.374.066562 3/4BSW69.8537.2573 1/265.20560.5584.64761.53BSW76.2037.2573 1/271.55666.9094.647683 1/4BSW82.5537.8163 1/477.54872.5445.00573.753 1/2BSW88.9037.8163 1/483.89978.8945.005803 3/4BSW95.2548.467389.83284.415.42285.54BSW101.6048.467396.18290.765.422924 1/4BSW107.9548.8352 7/8102.29796.6395.657984 1/2BSW114.3048.8352 7/8108.647102.995.657104.24 3/4BSW120.6659.2372 3/4114.74108.6255.9151105BSW127.0059.2372 3/4121.09115.1765.915116.55 1/4BSW133.3559.6772 5/8127.159120.9636.196122.55 1/2BSW139.7059.6772 5/8133.509127.3136.196128.55 3/4BSW146.05510.162 1/2139.549133.0436.506134.56BSW152.40610.162 1/2145.9139.3946.506141英制普通螺纹 - 细牙 - BSF英制普通螺纹 (惠氏螺纹) - 细牙 (BSW)名义尺寸牙型代号大径螺距每英寸牙数中径小径牙型高底孔直径BSFmmmmtpimm外螺纹H1mmd=Dpd2=D2d33/16BSF4.7630.794324.2553.7470.50847/32BSF5.5560.907284.9754.3940.5814.61/4BSF6.350.977265.7255.10.6255.39/32BSF7.1420.977266.5185.8930.6256.15/16BSF7.9381.156227.1996.4590.7396.83/8BSF9.5251.27208.7127.8990.8138.37/16BSF11.1131.4111810.2099.3040.9049.71/2BSF12.71.5881611.68410.6681.01711.19/16BSF14.2881.5881613.27212.2561.01712.75/8BSF15.8751.8141414.71213.5491.1621411/16BSF17.4631.8141416.315.1371.16215.53/4BSF19.052.1171217.69316.3361.35516.7513/16BSF20.6382.1171219.28117.9241.35518.257/8BSF22.2252.3091120.74719.2691.47919.751.00 BSF25.42.541023.77422.1481.62722.751 1/8BSF28.5752.822926.76924.9631.80726.51 1/4BSF31.752.822929.94428.1381.80728.751 3/8BSF34.9253.175832.89330.8612.03331.51 1/2BSF38.13.175836.06834.0362.03334.51 5/8BSF41.2753.175839.24337.2112.033381 3/4BSF44.453.629742.12639.8022.32440.52 BSF50.83.629748.47646.1522.324472 1/4BSF57.154.234654.4451.732.711532 1/2BSF63.54.234660.7958.082.711592 3/4BSF69.854.234667.1464.432.711-3 BSF76.25.08572.94669.6923.253-3 1/4BSF82.555.08579.29676.0423.253-3 1/2BSF88.95.6454 1/285.28581.673.614-3 3/4BSF95.255.6454 1/291.63588.023.614-4 BSF101.65.6454 1/297.98594.373.614-4 1/4BSF107.956.354103.88699.8224.066-55圆柱管螺纹的型式和尺寸British Pipe Thread (惠氏管螺纹) - 圆柱 (BSPP/BSPF)螺纹代号基本尺寸大径螺距每英寸牙数中径小径牙型高度底孔尺寸mmmmtpimm外螺纹H1mmd=Dpd2=D2d3G 1/81/89.7280.907289.1478.5660.5818.7G 1/41/413.1571.3371912.30111.4450.85611.6G 3/83/816.6621.3371915.80614.950.85615G 1/21/220.9551.8141419.79318.6311.16219G 5/85/822.9111.8141421.74920.5871.16220.75G 3/43/426.4411.8141425.27924.1171.16224.5G 7/87/830.2011.8141429.03927.8771.16228G 1133.2492.3091131.7730.2911.47930.5G 1 1/81 1/837.8972.3091136.41834.9391.47935G 1 1/41 1/441.912.3091140.43138.9521.47939.5G 1 3/81 3/844.3232.3091142.84441.3651.47941.5G 1 1/21 1/247.8032.3091146.32444.8451.47945G 1 3/41 3/453.7462.3091152.26750.7881.47951G 2259.6142.3091158.13556.6561.47957G 2 1/42 1/465.712.3091164.23162.7521.47963G 2 1/22 1/275.1842.3091173.70572.2261.47972.5G 2 3/42 3/481.5342.3091180.05578.5761.47979G 3387.8842.3091186.40584.9261.47985.5G 3 1/43 1/493.982.3091192.50191.0221.47991G 3 1/23 1/2100.332.3091198.35197