英制普通螺紋規(guī)格表

1、英制普通螺紋規(guī)格表英制普通螺紋 (惠氏螺紋 ) - 小螺紋系列 (BA) 名義 尺寸 牙型代號 大徑 螺距 每英寸牙數(shù) 中徑 小徑 牙型高 底孔直徑 BA mm mm tpi mm 外螺紋 H1 mm d=D p d2=D2 d3No. 14 BA 1 0.23 110.4 0.86 0.72 0.140.75 No. 13 BA 1.2 0.25 101.6 1.05 0.9 0.15 0.95No.12 BA 1.3 0.28 90.71 1.13 0.96 0.17 1No. 11 BA 1.50.31 81.93 1.315 1.13 0.185 1.2No. 10 BA 1.7 0.

2、3572.57 1.49 1.28 0.21 1.35No. 9 BA 1.9 0.39 65.12 1.6651.43 0.235 1.5 No. 8 BA 2.2 0.43 59.07 1.94 1.68 0.26 1.8 No. 7 BA 2.5 0.48 52.92 2.21 1.92 0.29 2No. 6 BA2.8 0.53 47.92 2.48 2.16 0.32 2.3No. 5 BA 3.2 0.5943.05 2.845 2.49 0.355 2.6No. 4 BA 3.6 0.66 38.483.205 2.81 0.395 2.95No. 3 BA 4.1 0.73

3、34.79 3.66 3.220.44 3.4 No. 2 BA 4.7 0.81 31.35 4.215 3.73 0.485 3.9 No. 1 BA 5.3 0.9 28.22 4.76 4.22 0.54 4.4No. 0 BA 6 125.4 5.4 4.8 0.6 555°圓錐管螺紋型式和尺寸 ( 2006-03-13 14:38:47 )螺紋代號 基本尺 寸 大徑 螺距 每英寸牙數(shù) 中徑 小徑 牙型高度 圓弧尺寸 底孔尺寸英 寸 mm mm tpi mm 外螺紋 H1 r mm d=D pd2=D2 d3R 1/16 1/16 7.723 0.907 28 7.1426

4、.561 0.581 0.125 6.4R 1/8 1/8 9.728 0.907 28 9.1478.566 0.581 0.125 8.4R 1/4 1/4 13.157 1.337 19 12.30111.445 0.856 0.184 11.2R 3/8 3/8 16.662 1.337 1915.806 14.95 0.856 0.184 14.75R 1/2 1/2 20.955 1.81414 19.793 18.631 1.162 0.249 18.25R 3/4 3/4 26.4411.814 14 25.279 24.117 1.162 0.249 23.75R 1 1 3

5、3.249 2.309 11 31.77 30.291 1.479 0.317 30R 1 1/4 1 1/4 41.91 2.309 11 40.431 38.952 1.479 0.317 38.5R 1 1/2 11/2 47.803 2.309 11 46.324 44.845 1.479 0.317 44.5R 2 2 59.614 2.309 11 58.135 56.656 1.479 0.317 56R 2 1/2 2 1/2 75.184 2.309 11 73.705 72.226 1.479 0.317 71R 3IIIIII3 87.884 2.309 11 86.40

6、5 84.926 1.479 0.317 85.5R 4 4 113.03 2.309 11 111.551 110.072 1.479 0.317 110.5R 5 5 138.43 2.309 11 136.951 135.472 1.479 0.317 136R 6 6163.83 2.309 11 162.351 160.872 1.479 0.317 161.5 制惠氏螺紋的型式尺寸英制普通螺紋(惠氏螺紋 ) - 粗牙(BSW) 名義尺寸 牙型代號 大徑 螺距 每英寸牙數(shù) 中徑 小 徑 牙型高 底孔直徑Ww mm mm tpi mm 外螺紋 H1mm d=D p d2=D2 d3 1

7、/16 BSW 1.5870.423 60 1.315 1.05 0.27 1.153/32 BSW 2.381 0.529 48 2.041 1.703 0.338 1.9 1/8 BSW 3.175 0.635 402.768 2.362 0.406 2.55/32 BSW 3.969 0.793 323.459 2.952 0.507 3.23/16BSW 4.762 1.058 244.084 3.407 0.677 3.77/32BSW 5.556 1.058 244.878 4.201 0.677 4.51/4BSW 6.35 1.27 20 5.5374.724 0.813 5.

8、15/16 BSW 7.938 1.411 18 7.0346.131 0.904 6.53/8 BSW 9.525 1.588 16 8.509 7.4921.017 7.97/16 BSW 11.113 1.814 14 9.951 8.7891.162 9.2 1/2 BSW 12.7 2.117 12 11.345 9.99 1.35510.4 5/8 BSW 15.876 2.309 11 14.397 12.918 1.47913.4 3/4 BSW 19.051 2.54 10 17.424 15.798 1.62716.25 7/8 BSW 22.226 2.822 9 20.

9、419 18.611 1.80719.25 1 BSW 25.4 3.175 8 23.368 21.335 2.033 221 1/8 BSW 28.576 3.629 7 26.253 23.929 2.324 24.51 1/4 BSW 31.751 3.629 7 29.428 27.104 2.324 27.251 3/8 BSW 34.926 4.233 6 32.215 29.505 2.711 30.251 1/2 BSW 38.1 4.233 6 35.391 32.68 2.711 33.515/8 BSW 41.277 5.08 5 38.024 34.771 3.253

10、 35.513/4 BSW 44.452 5.08 5 41.199 37.946 3.253 38.517/8 BSW 47.627 5.645 4 1/2 44.012 40.398 3.614 41.25 2 BSW 50.802 5.645 4 1/2 47.187 43.573 3.614 44.52 1/4 BSW 57.152 6.35 4 53.086 49.02 4.066 5021/2 BSW 63.502 6.35 4 59.436 55.37 4.066 562 3/4 BSW 69.853 7.257 3 1/2 65.205 60.558 4.647 61.53 B

11、SW 76.203 7.257 3 1/2 71.556 66.909 4.647 683 1/4 BSW 82.553 7.816 3 1/4 77.548 72.544 5.005 73.7531/2 BSW 88.903 7.816 3 1/4 83.899 78.894 5.005 803 3/4 BSW 95.254 8.467 3 89.832 84.41 5.422 85.54 BSW 101.604 8.467 3 96.182 90.76 5.422 924 1/4 BSW 107.954 8.835 2 7/8 102.297 96.639 5.657 9841/2 BSW

12、 114.304 8.835 2 7/8 108.647 102.99 5.657 104.2 4 3/4 BSW 120.665 9.237 2 3/4 114.74 108.625 5.915 1105 BSW 127.005 9.237 2 3/4121.09 115.176 5.915 116.55 1/4 BSW 133.3559.677 2 5/8 127.159 120.963 6.196 122.55 1/2 BSW139.705 9.677 2 5/8 133.509 127.313 6.196 128.55 3/4 BSW 146.055 10.16 2 1/2 139.5

13、49 133.043 6.506 134.5 6 BSW 152.406 10.16 2 1/2 145.9 139.394 6.506 141 英制普通螺紋 - 細(xì)牙 - BSF 英制普通螺紋 (惠氏螺紋 ) - 細(xì)牙 (BSW) 名義尺寸 牙型代號 大徑 螺距 每英寸 牙數(shù) 中徑 小徑 牙型高 底孔直徑BSF mm mm tpi mm外螺紋 H1 mmd=D pd2=D2 d3 3/16BSF 4.763 0.794 32 4.255 3.747 0.508 47/32 BSF5.556 0.907 28 4.975 4.394 0.581 4.61/4 BSF 6.350.977 26

14、5.725 5.1 0.625 5.39/32 BSF 7.142 0.977 266.518 5.893 0.625 6.15/16 BSF 7.938 1.156 22 7.1996.459 0.739 6.83/8 BSF 9.525 1.27 20 8.712 7.8990.813 8.37/16 BSF 11.113 1.411 18 10.209 9.3040.904 9.71/2 BSF 12.7 1.588 16 11.684 10.668 1.01711.1 9/16 BSF 14.288 1.588 16 13.272 12.256 1.01712.7 5/8 BSF 15

15、.875 1.814 14 14.712 13.549 1.162 1411/16 BSF 17.463 1.814 14 16.3 15.137 1.162 15.53/4BSF 19.05 2.117 12 17.693 16.336 1.355 16.7513/16BSF 20.638 2.117 12 19.281 17.924 1.355 18.257/8BSF 22.225 2.309 11 20.747 19.269 1.479 19.751.00BSF 25.4 2.54 10 23.774 22.148 1.627 22.751 1/8 BSF28.575 2.822 9 2

16、6.769 24.963 1.807 26.51/4 BSF31.75 2.822 9 29.944 28.138 1.807 28.753/8 BSF34.925 3.175 8 32.893 30.861 2.033 31.51/2 BSF38.1 3.175 8 36.068 34.036 2.033 34.51 5/8 BSF41.275 3.175 8 39.243 37.211 2.033 381 3/4 BSF44.45 3.629 7 42.126 39.802 2.324 40.5BSF 50.83.629 7 48.476 46.152 2.324 472 1/4 BSF

17、57.15 4.2346 54.44 51.73 2.711 532 1/2 BSF 63.5 4.234 6 60.7958.08 2.711 592 3/4 BSF 69.85 4.234 6 67.14 64.432.711 - 3BSF 76.2 5.08 5 72.946 69.692 3.253 -3 1/4 BSF 82.55 5.08 5 79.296 76.042 3.253 -3 1/2BSF 88.9 5.645 4 1/2 85.285 81.67 3.614 -3 3/4 BSF95.25 5.645 4 1/2 91.635 88.02 3.614 -BSF 101

18、.65.645 4 1/2 97.985 94.37 3.614 -4 1/4 BSF 107.95 6.354 103.886 99.822 4.066 -55°圓柱管螺紋的型式和尺寸 British Pipe Thread ( 惠氏管螺紋 ) - 圓柱 (BSPP/BSPF) 螺紋代號 基本尺寸 大徑 螺距 每英寸牙數(shù) 中徑 小徑 牙型高度 底孔尺寸mm mm tpi mm外螺紋 H1 mmd=D pd2=D2 d3G 1/8 1/8 9.7280.907 28 9.147 8.566 0.581 8.7G 1/4 1/4 13.1571.337 19 12.301 11.445

19、 0.856 11.6G 3/8 3/8 16.6621.337 19 15.806 14.95 0.856 15G 1/2 1/2 20.9551.814 14 19.793 18.631 1.162 19G 5/8 5/8 22.9111.814 14 21.749 20.587 1.162 20.75G 3/4 3/4 26.441 1.814 14 25.279 24.117 1.162 24.5G 7/8 7/8 30.201 1.814 14 29.039 27.877 1.162 28G 1 133.249 2.309 11 31.77 30.291 1.479 30.5G 1 1/8 11/8II37.897 2.309 11 36.418 34.939 1.479 35G 1 1/4 11/4II41.91 2.309 11 40.431 38.952 1.479 39.5G 1 3/8 13/8II44.323 2.309 11 42.844 41.365 1.479 41.5G 1 1/2 1 1/2II47.803 2.309 11 46.324 44.845 1.479 45G 1 3/4 1 3/4IIG 2 253.746 2.309 11 52.267 50.788