英制普通螺纹 (惠氏螺纹).doc

英制普通螺纹英制普通螺纹 ---- 细牙细牙 ---- BSFBSF英制普通螺纹 (惠氏螺纹) -- 粗牙 (BSW)名义尺寸 Ww牙型代号大径 mm d=D螺距 mm p每英寸牙数 tpi中径 mm d2=D2小径 外螺纹 d3牙型高 H1底孔直径 mm 1/16＂BSW1.5870.423601.3151.0500.2701.15 3/32＂BSW2.3810.529482.0411.7030.3381.90 1/8＂BSW3.1750.635402.7682.3620.4062.50 5/32＂BSW3.9690.793323.4592.9520.5073.20 3/16＂BSW4.7621.058244.0843.4070.6773.70 7/32＂BSW5.5561.058244.8784.2010.6774.50 1/4＂BSW6.3501.270205.5374.7240.8135.10 5/16＂BSW7.9381.411187.0346.1310.9046.50 3/8＂BSW9.5251.588168.5097.4921.0177.90 7/16＂BSW11.113 1.814149.9518.7891.1629.20 1/2＂BSW12.700 2.1171211.3459.9901.35510.40 5/8＂BSW15.876 2.3091114.397 12.918 1.47913.40 3/4＂BSW19.051 2.5401017.424 15.798 1.62716.25 7/8＂BSW22.226 2.822920.419 18.611 1.80719.25 1＂BSW25.400 3.175823.368 21.335 2.03322.00 1 1/8＂BSW28.576 3.629726.253 23.929 2.32424.50 1 1/4＂BSW31.751 3.629729.428 27.104 2.32427.25 1 3/8＂BSW34.926 4.233632.215 29.505 2.71130.25 1 1/2＂BSW38.100 4.233635.391 32.680 2.71133.50 1 5/8＂BSW41.277 5.080538.024 34.771 3.25335.50 1 3/4＂BSW44.452 5.080541.199 37.946 3.25338.50 1 7/8＂BSW47.627 5.6454 1/244.012 40.398 3.61441.25 2＂BSW50.802 5.6454 1/247.187 43.573 3.61444.50 2 1/4＂BSW57.152 6.350453.086 49.020 4.06650.00 2 1/2＂BSW63.502 6.350459.436 55.370 4.06656.00 2 3/4＂BSW69.853 7.2573 1/265.205 60.558 4.64761.50 3＂BSW76.203 7.2573 1/271.556 66.909 4.64768.00 3 1/4＂BSW82.553 7.8163 1/477.548 72.544 5.00573.75 3 1/2＂BSW88.903 7.8163 1/483.899 78.894 5.00580.00 3 3/4＂BSW95.254 8.467389.832 84.410 5.42285.50 4＂BSW101.604 8.467396.182 90.760 5.42292.00 4 1/4＂BSW107.954 8.8352 7/8102.297 96.639 5.65798.00 4 1/2＂BSW114.304 8.8352 7/8108.647102.990 5.657104.20 4 3/4＂BSW120.665 9.2372 3/4114.740108.625 5.915110.00 5＂BSW127.005 9.2372 3/4121.090115.176 5.915116.50 5 1/4＂BSW133.355 9.6772 5/8127.159120.963 6.196122.50 5 1/2＂BSW139.705 9.6772 5/8133.509127.313 6.196128.50 5 3/4＂BSW146.05510.1602 1/2139.549133.043 6.506134.50 6＂BSW152.40610.1602 1/2145.900139.394 6.506141.00英制普通螺纹 (惠氏螺纹) -- 细牙 (BSW)名义尺寸 BSF牙型代号大径 mm d=D螺距 mm p每英寸牙数 tpi中径 mm d2=D2小径 外螺纹 d3牙型高 H1底孔直径 mm 3/16BSF4.763 0.794324.2553.747 0.5084.00 7/32BSF5.556 0.907284.9754.394 0.5814.60 1/4BSF6.350 0.977265.7255.100 0.6255.30 9/32BSF7.142 0.977266.5185.893 0.6256.10 5/16BSF7.938 1.156227.1996.459 0.7396.80 3/8BSF9.5251.27208.7127.899 0.8138.30 7/16BSF11.113 1.4111810.209 9.304 0.9049.70 1/2BSF12.700 1.5881611.684 10.668 1.01711.10 9/16BSF14.288 1.5881613.272 12.256 1.01712.70 5/8BSF15.875 1.8141414.712 13.549 1.16214.00 11/16BSF17.463 1.8141416.300 15.137 1.16215.50 3/4BSF19.050 2.1171217.693 16.336 1.35516.75 13/16BSF20.638 2.1171219.281 17.924 1.35518.25 7/8BSF22.225 2.3091120.747 19.269 1.47919.75 1BSF25.400 2.541023.774 22.148 1.62722.75 1 1/8BSF28.575 2.822926.769 24.963 1.80726.50 1 1/4BSF31.750 2.822929.944 28.138 1.80728.75 1 3/8BSF34.925 3.175832.893 30.861 2.03331.50 1 1/2BSF38.100 3.175836.068 34.036 2.03334.50 1 5/8BSF41.275 3.175839.243 37.211 2.03338.00 1 3/4BSF44.450 3.629742.126 39.802 2.32440.50 2BSF50.800 3.629748.476 46.152 2.32447.00 2 1/4BSF57.150 4.234654.440 51.730 2.71153.00 2 1/2BSF63.500 4.234660.790 58.080 2.71159.00 2 3/4BSF69.850 4.234667.140 64.430 2.711- 3BSF76.200 5.08572.946 69.692 3.253- 3 1/4BSF82.550 5.08579.296 76.042 3.253- 3 1/2BSF88.900 5.6454 1/285.285 81.670 3.614- 3 3/4BSF95.250 5.6454 1/291.635 88.020 3.614- 4BSF101.6005.6454 1/297.985 94.370 3.614- 4 1/4BSF107.950 6.354103.88699.822 4.066-。