英制螺纹-对照表3

每英寸牙 数 tpi 28 28 19 19 14 14 11 11 11 11 11 11 11 11 11
中径 mm d2=D2 7.142 9.147 12.301 15.806 19.793 25.279 31.77 40.431 46.324 58.135 73.705 86.405 111.551 136.951 162.351
螺纹代号 G 1/8 G 1/4 G 3/8 G 1/2 G 5/8 G 3/4 G 7/8 G1 G 1 1/8 G 1 1/4 G 1 3/8 G 1 1/2 G 1 3/4 G2 G 2 1/4 G 2 1/2 G 2 3/4 G3 G 3 1/4 G 3 1/2 G 3 3/4 G4 G 4 1/2 G5 G 5 1/2 G6
名义尺寸 BSF 3/16 7/32 1/4 9/32 5/16 3/8 7/16 1/2 9/16 5/8 11/16 3/4 13/16 7/8 1.00 1 1/8 1 1/4 1 3/8 1 1/2 1 5/8 1 3/4 2 2 1/4 2 1/2 2 3/4 3 3 1/4 3 1/2 3 3/4 4 4 1/4 牙型代号 BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF BSF
名义尺寸 BA No. 14 No. 13 No. 12 No. 11 No. 10 No. 9 No. 8 No. 7 No. 6 No. 5 No. 4 No. 3 No. 2 No. 1 No. 0 牙型代号 BA BA BA BA BA BA BA BA BA BA BA BA BA BA BA
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 螺距 数 中径 小径 mm tpi mm 外螺纹 p d2=D2 d3 0.423 60 1.315 1.05 0.529 48 2.041 1.703 0.635 40 2.768 2.362 0.793 32 3.459 2.952 1.058 24 4.084 3.407 1.058 24 4.878 4.201 1.27 20 5.537 4.724 1.411 18 7.034 6.131 1.588 16 8.509 7.492 1.814 14 9.951 8.789 2.117 12 11.345 9.99 2.309 11 14.397 12.918 2.54 10 17.424 15.798 2.822 9 20.419 18.611 3.175 8 23.368 21.335 3.629 7 26.253 23.929 3.629 7 29.428 27.104 4.233 6 32.215 29.505 4.233 6 35.391 32.68 5.08 5 38.024 34.771 5.08 5 41.199 37.946 5.645 4 1/2 44.012 40.398 5.645 4 1/2 47.187 43.573 6.35 4 53.086 49.02 6.35 4 59.436 55.37 7.257 3 1/2 65.205 60.558 7.257 3 1/2 71.556 66.909 7.816 3 1/4 77.548 72.544 7.816 3 1/4 83.899 78.894 8.467 3 89.832 84.41 8.467 3 96.182 90.76 8.835 2 7/8 102.297 96.639 8.835 2 7/8 108.647 102.99 9.237 2 3/4 114.74 108.625 9.237 2 3/4 121.09 115.176 9.677 2 5/8 127.159 120.963 9.677 2 5/8 133.509 127.313
5 3/4＂ 6＂
BSW BSW
146.055 152.406
10.16 10.16
2 1/2 2 1/2
139.549 145.9
133.043 139.394
6.506 6.506
英制普通螺纹 -- 细牙 -- BSF
英制普通螺纹 (惠氏螺纹) -- 细牙 (BSW) 每英寸牙 大径 螺距 数 中径 小径 mm mm tpi mm 外螺纹 d=D p d2=D2 d3 4.763 0.794 32 4.255 3.747 5.556 0.907 28 4.975 4.394 6.35 0.977 26 5.725 5.1 7.142 0.977 26 6.518 5.893 7.938 1.156 22 7.199 6.459 9.525 1.27 20 8.712 7.899 11.113 1.411 18 10.209 9.304 12.7 1.588 16 11.684 10.668 14.288 1.588 16 13.272 12.256 15.875 1.814 14 14.712 13.549 17.463 1.814 14 16.3 15.137 19.05 2.117 12 17.693 16.336 20.638 2.117 12 19.281 17.924 22.225 2.309 11 20.747 19.269 25.4 2.54 10 23.774 22.148 28.575 2.822 9 26.769 24.963 31.75 2.822 9 29.944 28.138 34.925 3.175 8 32.893 30.861 38.1 3.175 8 36.068 34.036 41.275 3.175 8 39.243 37.211 44.45 3.629 7 42.126 39.802 50.8 3.629 7 48.476 46.152 57.15 4.234 6 54.44 51.73 63.5 4.234 6 60.79 58.08 69.85 4.234 6 67.14 64.43 76.2 5.08 5 72.946 69.692 82.55 5.08 5 79.296 76.042 88.9 5.645 4 1/2 85.285 81.67 95.25 5.645 4 1/2 91.635 88.02 101.6 5.645 4 1/2 97.985 94.37 107.95 6.35 4 103.886 99.822 55° 圆柱管螺纹的型式和尺寸
名义尺寸 Ww 1/16＂ 3/32＂ 1/8＂ 5/32＂ 3/16＂ 7/32＂ 1/4＂ 5/16＂ 3/8＂ 7/16＂ 1/2＂ 5/8＂ 3/4＂ 7/8＂ 1＂ 1 1/8＂ 1 1/4＂ 1 3/8＂ 1 1/2＂ 1 5/8＂ 1 3/4＂ 1 7/8＂ 2＂ 2 1/4＂ 2 1/2＂ 2 3/4＂ 3＂ 3 1/4＂ 3 1/2＂ 3 3/4＂ 4＂ 4 1/4＂ 4 1/2＂ 4 3/4＂ 5＂ 5 1/4＂ 5 1/2＂ 牙型代号 BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW BSW
大径 mm d=D 7.723 9.728 13.157 16.662 20.955 26.441 33.249 41.91 47.803 59.614 75.184 87.884 113.03 138.43 163.83
螺距 mm p 0.907 0.907 1.337 1.337 1.814 1.814 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309 2.309
英制普通螺纹 (惠氏螺纹) -- 小螺纹系列 (BA) 每英寸牙 大径 螺距 数 中径 小径 mm mm tpi mm 外螺纹 d=D p d2=D2 d3 1 0.23 110.4 0.86 0.72 1.2 0.25 101.6 1.05 0.9 1.3 0.28 90.71 1.13 0.96 1.5 0.31 81.93 1.315 1.13 1.7 0.35 72.57 1.49 1.28 1.9 0.39 65.12 1.665 1.43 2.2 0.43 59.07 1.94 1.68 2.5 0.48 52.92 2.21 1.92 2.8 0.53 47.92 2.48 2.16 3.2 0.59 43.05 2.845 2.49 3.6 0.66 38.48 3.205 2.81 4.1 0.73 34.79 3.66 3.22 4.7 0.81 31.35 4.215 3.73 5.3 0.9 28.22 4.76 4.22 6 1 25.4 5.4 4.8
牙型高 H1 0.508 0.581 0.625 0.625 0.739 0.813 0.904 1.017 1.017 1.162 1.162 1.355 1.355 1.479 1.627 1.807 1.807 2.033 2.033 2.033 2.324 2.324 2.711 2.711 2.711 3.253 3.253 3.614 3.614 3.614 4.066
小径 外螺纹 d3 6.561 8.566 11.445 14.95 18.631 24.117 30.291 38.952 44.845 56.656 72.226 84.926 110.072 135.472 160.872
牙型高度 H1 0.581 0.581 0.856 0.856 1.162 1.162 1.479 1.479 1.479 1.479 1.479 1.479 1.479 1.479 1.479
牙型高 H1 0.27 0.338 0.406 0.507 0.677 0.677 0.813 0.904 1.017 1.162 1.355 1.479 1.627 1.807 2.033 2.324 2.324 2.711 2.711 3.253 3.253 3.614 3.614 4.066 4.066 4.647 4.647 5.005 5.005 5.422 5.422 5.657 5.657 5.915 5.915 6.196 6.196
牙型高 H1 0.14 0.15 源自文库.17 0.185 0.21 0.235 0.26 0.29 0.32 0.355 0.395 0.44 0.485 0.54 0.6
55° 圆锥管螺纹型式和尺寸
（2006-03-13 14:38:47 ）
基本尺寸 英寸 螺纹代号 R 1/16 R 1/8 R 1/4 R 3/8 R 1/2 R 3/4 R1 R 1 1/4 R 1 1/2 R2 R 2 1/2 R3 R4 R5 R6 1/16＂ 1/8＂ 1/4＂ 3/8＂ 1/2＂ 3/4＂ 1＂ 1 1/4＂ 1 1/2＂ 2＂ 2 1/2＂ 3＂ 4＂ 5＂ 6＂
基本尺寸 1/8＂ 1/4＂ 3/8＂ 1/2＂ 5/8＂ 3/4＂ 7/8＂ 1＂ 1 1/8＂ 1 1/4＂ 1 3/8＂ 1 1/2＂ 1 3/4＂ 2＂ 2 1/4＂ 2 1/2＂ 2 3/4＂ 3＂ 3 1/4＂ 3 1/2＂ 3 3/4＂ 4＂ 4 1/2＂ 5＂ 5 1/2＂ 6＂
大径 mm d=D 1.587 2.381 3.175 3.969 4.762 5.556 6.35 7.938 9.525 11.113 12.7 15.876 19.051 22.226 25.4 28.576 31.751 34.926 38.1 41.277 44.452 47.627 50.802 57.152 63.502 69.853 76.203 82.553 88.903 95.254 101.604 107.954 114.304 120.665 127.005 133.355 139.705