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 | |
BA | mm | mm | tpi | mm | 外螺纹 | H1 | mm | ||
d=D | p | d2=D2 | d3 | ||||||
No. 14 | BA | 1 | 0.23 | 110.4 | 0.86 | 0.72 | 0.14 | 0.75 | |
No. 13 | BA | 1.2 | 0.25 | 101.6 | 1.05 | 0.9 | 0.15 | 0.95 | |
No. 12 | BA | 1.3 | 0.28 | 90.71 | 1.13 | 0.96 | 0.17 | 1 | |
No. 11 | BA | 1.5 | 0.31 | 81.93 | 1.315 | 1.13 | 0.185 | 1.2 | |
No. 10 | BA | 1.7 | 0.35 | 72.57 | 1.49 | 1.28 | 0.21 | 1.35 | |
No. 9 | BA | 1.9 | 0.39 | 65.12 | 1.665 | 1.43 | 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 | 2 | |
No. 6 | BA | 2.8 | 0.53 | 47.92 | 2.48 | 2.16 | 0.32 | 2.3 | |
No. 5 | BA | 3.2 | 0.59 | 43.05 | 2.845 | 2.49 | 0.355 | 2.6 | |
No. 4 | BA | 3.6 | 0.66 | 38.48 | 3.205 | 2.81 | 0.395 | 2.95 | |
No. 3 | BA | 4.1 | 0.73 | 34.79 | 3.66 | 3.22 | 0.44 | 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 | 4.4 | |
No. 0 | BA | 6 | 1 | 25.4 | 5.4 | 4.8 | 0.6 | 5 | |
55°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 | mm | mm | tpi | mm | 外螺纹 | H1 | r | mm | |
d=D | p | d2=D2 | d3 | ||||||
R 1/16 | 1/16" | 7.723 | 0.907 | 28 | 7.142 | 6.561 | 0.581 | 0.125 | 6.4 |
R 1/8 | 1/8" | 9.728 | 0.907 | 28 | 9.147 | 8.566 | 0.581 | 0.125 | 8.4 |
R 1/4 | 1/4" | 13.157 | 1.337 | 19 | 12.301 | 11.445 | 0.856 | 0.184 | 11.2 |
R 3/8 | 3/8" | 16.662 | 1.337 | 19 | 15.806 | 14.95 | 0.856 | 0.184 | 14.75 |
R 1/2 | 1/2" | 20.955 | 1.814 | 14 | 19.793 | 18.631 | 1.162 | 0.249 | 18.25 |
R 3/4 | 3/4" | 26.441 | 1.814 | 14 | 25.279 | 24.117 | 1.162 | 0.249 | 23.75 |
R 1 | 1" | 33.249 | 2.309 | 11 | 31.77 | 30.291 | 1.479 | 0.317 | 30 |
R 1 1/4 | 1 1/4" | 41.91 | 2.309 | 11 | 40.431 | 38.952 | 1.479 | 0.317 | 38.5 |
R 1 1/2 | 1 1/2" | 47.803 | 2.309 | 11 | 46.324 | 44.845 | 1.479 | 0.317 | 44.5 |
R 2 | 2" | 59.614 | 2.309 | 11 | 58.135 | 56.656 | 1.479 | 0.317 | 56 |
R 2 1/2 | 2 1/2" | 75.184 | 2.309 | 11 | 73.705 | 72.226 | 1.479 | 0.317 | 71 |
R 3 | 3" | 87.884 | 2.309 | 11 | 86.405 | 84.926 | 1.479 | 0.317 | 85.5 |
R 4 | 4" | 113.03 | 2.309 | 11 | 111.551 | 110.072 | 1.479 | 0.317 | 110.5 |
R 5 | 5" | 138.43 | 2.309 | 11 | 136.951 | 135.472 | 1.479 | 0.317 | 136 |
R 6 | 6" | 163.83 | 2.309 | 11 | 162.351 | 160.872 | 1.479 | 0.317 | 161.5 |
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 | |
Ww | mm | mm | tpi | mm | 外螺纹 | H1 | mm | ||
d=D | p | d2=D2 | d3 | ||||||
1/16" | BSW | 1.587 | 0.423 | 60 | 1.315 | 1.05 | 0.27 | 1.15 | |
3/32" | BSW | 2.381 | 0.529 | 48 | 2.041 | 1.703 | 0.338 | 1.9 | |
1/8" | BSW | 3.175 | 0.635 | 40 | 2.768 | 2.362 | 0.406 | 2.5 | |
5/32" | BSW | 3.969 | 0.793 | 32 | 3.459 | 2.952 | 0.507 | 3.2 | |
3/16" | BSW | 4.762 | 1.058 | 24 | 4.084 | 3.407 | 0.677 | 3.7 | |
7/32" | BSW | 5.556 | 1.058 | 24 | 4.878 | 4.201 | 0.677 | 4.5 | |
1/4" | BSW | 6.35 | 1.27 | 20 | 5.537 | 4.724 | 0.813 | 5.1 | |
5/16" | BSW | 7.938 | 1.411 | 18 | 7.034 | 6.131 | 0.904 | 6.5 | |
3/8" | BSW | 9.525 | 1.588 | 16 | 8.509 | 7.492 | 1.017 | 7.9 | |
7/16" | BSW | 11.113 | 1.814 | 14 | 9.951 | 8.789 | 1.162 | 9.2 | |
1/2" | BSW | 12.7 | 2.117 | 12 | 11.345 | 9.99 | 1.355 | 10.4 | |
5/8" | BSW | 15.876 | 2.309 | 11 | 14.397 | 12.918 | 1.479 | 13.4 | |
3/4" | BSW | 19.051 | 2.54 | 10 | 17.424 | 15.798 | 1.627 | 16.25 | |
7/8" | BSW | 22.226 | 2.822 | 9 | 20.419 | 18.611 | 1.807 | 19.25 | |
1" | BSW | 25.4 | 3.175 | 8 | 23.368 | 21.335 | 2.033 | 22 | |
1 1/8" | BSW | 28.576 | 3.629 | 7 | 26.253 | 23.929 | 2.324 | 24.5 | |
1 1/4" | BSW | 31.751 | 3.629 | 7 | 29.428 | 27.104 | 2.324 | 27.25 | |
1 3/8" | BSW | 34.926 | 4.233 | 6 | 32.215 | 29.505 | 2.711 | 30.25 | |
1 1/2" | BSW | 38.1 | 4.233 | 6 | 35.391 | 32.68 | 2.711 | 33.5 | |
1 5/8" | BSW | 41.277 | 5.08 | 5 | 38.024 | 34.771 | 3.253 | 35.5 | |
1 3/4" | BSW | 44.452 | 5.08 | 5 | 41.199 | 37.946 | 3.253 | 38.5 | |
1 7/8" | 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 | 44.5 | |
2 1/4" | BSW | 57.152 | 6.35 | 4 | 53.086 | 49.02 | 4.066 | 50 | |
2 1/2" | BSW | 63.502 | 6.35 | 4 | 59.436 | 55.37 | 4.066 | 56 | |
2 3/4" | BSW | 69.853 | 7.257 | 3 1/2 | 65.205 | 60.558 | 4.647 | 61.5 | |
3" | BSW | 76.203 | 7.257 | 3 1/2 | 71.556 | 66.909 | 4.647 | 68 | |
3 1/4" | BSW | 82.553 | 7.816 | 3 1/4 | 77.548 | 72.544 | 5.005 | 73.75 | |
3 1/2" | BSW | 88.903 | 7.816 | 3 1/4 | 83.899 | 78.894 | 5.005 | 80 | |
3 3/4" | BSW | 95.254 | 8.467 | 3 | 89.832 | 84.41 | 5.422 | 85.5 | |
4" | BSW | 101.604 | 8.467 | 3 | 96.182 | 90.76 | 5.422 | 92 | |
4 1/4" | BSW | 107.954 | 8.835 | 2 7/8 | 102.297 | 96.639 | 5.657 | 98 | |
4 1/2" | BSW | 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 | 110 | |
5" | BSW | 127.005 | 9.237 | 2 3/4 | 121.09 | 115.176 | 5.915 | 116.5 | |
5 1/4" | BSW | 133.355 | 9.677 | 2 5/8 | 127.159 | 120.963 | 6.196 | 122.5 | |
5 1/2" | BSW | 139.705 | 9.677 | 2 5/8 | 133.509 | 127.313 | 6.196 | 128.5 | |
5 3/4" | BSW | 146.055 | 10.16 | 2 1/2 | 139.549 | 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 | |
BSF | mm | mm | tpi | mm | 外螺纹 | H1 | mm | ||
d=D | p | d2=D2 | d3 | ||||||
3/16 | BSF | 4.763 | 0.794 | 32 | 4.255 | 3.747 | 0.508 | 4 | |
7/32 | BSF | 5.556 | 0.907 | 28 | 4.975 | 4.394 | 0.581 | 4.6 | |
1/4 | BSF | 6.35 | 0.977 | 26 | 5.725 | 5.1 | 0.625 | 5.3 | |
9/32 | BSF | 7.142 | 0.977 | 26 | 6.518 | 5.893 | 0.625 | 6.1 | |
5/16 | BSF | 7.938 | 1.156 | 22 | 7.199 | 6.459 | 0.739 | 6.8 | |
3/8 | BSF | 9.525 | 1.27 | 20 | 8.712 | 7.899 | 0.813 | 8.3 | |
7/16 | BSF | 11.113 | 1.411 | 18 | 10.209 | 9.304 | 0.904 | 9.7 | |
1/2 | BSF | 12.7 | 1.588 | 16 | 11.684 | 10.668 | 1.017 | 11.1 | |
9/16 | BSF | 14.288 | 1.588 | 16 | 13.272 | 12.256 | 1.017 | 12.7 | |
5/8 | BSF | 15.875 | 1.814 | 14 | 14.712 | 13.549 | 1.162 | 14 | |
11/16 | BSF | 17.463 | 1.814 | 14 | 16.3 | 15.137 | 1.162 | 15.5 | |
3/4 | BSF | 19.05 | 2.117 | 12 | 17.693 | 16.336 | 1.355 | 16.75 | |
13/16 | BSF | 20.638 | 2.117 | 12 | 19.281 | 17.924 | 1.355 | 18.25 | |
7/8 | BSF | 22.225 | 2.309 | 11 | 20.747 | 19.269 | 1.479 | 19.75 | |
1.00 | BSF | 25.4 | 2.54 | 10 | 23.774 | 22.148 | 1.627 | 22.75 | |
1 1/8 | BSF | 28.575 | 2.822 | 9 | 26.769 | 24.963 | 1.807 | 26.5 | |
1 1/4 | BSF | 31.75 | 2.822 | 9 | 29.944 | 28.138 | 1.807 | 28.75 | |
1 3/8 | BSF | 34.925 | 3.175 | 8 | 32.893 | 30.861 | 2.033 | 31.5 | |
1 1/2 | BSF | 38.1 | 3.175 | 8 | 36.068 | 34.036 | 2.033 | 34.5 | |
1 5/8 | BSF | 41.275 | 3.175 | 8 | 39.243 | 37.211 | 2.033 | 38 | |
1 3/4 | BSF | 44.45 | 3.629 | 7 | 42.126 | 39.802 | 2.324 | 40.5 | |
2 | BSF | 50.8 | 3.629 | 7 | 48.476 | 46.152 | 2.324 | 47 | |
2 1/4 | BSF | 57.15 | 4.234 | 6 | 54.44 | 51.73 | 2.711 | 53 | |
2 1/2 | BSF | 63.5 | 4.234 | 6 | 60.79 | 58.08 | 2.711 | 59 | |
2 3/4 | BSF | 69.85 | 4.234 | 6 | 67.14 | 64.43 | 2.711 | - | |
3 | BSF | 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 1/2 | BSF | 88.9 | 5.645 | 4 1/2 | 85.285 | 81.67 | 3.614 | - | |
3 3/4 | BSF | 95.25 | 5.645 | 4 1/2 | 91.635 | 88.02 | 3.614 | - | |
4 | BSF | 101.6 | 5.645 | 4 1/2 | 97.985 | 94.37 | 3.614 | - | |
4 1/4 | BSF | 107.95 | 6.35 | 4 | 103.886 | 99.822 | 4.066 | - | |
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 | |
mm | mm | tpi | mm | 外螺纹 | H1 | mm | |||
d=D | p | d2=D2 | d3 | ||||||
G 1/8 | 1/8" | 9.728 | 0.907 | 28 | 9.147 | 8.566 | 0.581 | 8.7 | |
G 1/4 | 1/4" | 13.157 | 1.337 | 19 | 12.301 | 11.445 | 0.856 | 11.6 | |
G 3/8 | 3/8" | 16.662 | 1.337 | 19 | 15.806 | 14.95 | 0.856 | 15 | |
G 1/2 | 1/2" | 20.955 | 1.814 | 14 | 19.793 | 18.631 | 1.162 | 19 | |
G 5/8 | 5/8" | 22.911 | 1.814 | 14 | 21.749 | 20.587 | 1.162 | 20.75 | |
G 3/4 | 3/4" | 26.441 | 1.814 | 14 | 25.279 | 24.117 | 1.162 | 24.5 | |
G 7/8 | 7/8" | 30.201 | 1.814 | 14 | 29.039 | 27.877 | 1.162 | 28 | |
G 1 | 1" | 33.249 | 2.309 | 11 | 31.77 | 30.291 | 1.479 | 30.5 | |
G 1 1/8 | 1 1/8" | 37.897 | 2.309 | 11 | 36.418 | 34.939 | 1.479 | 35 | |
G 1 1/4 | 1 1/4" | 41.91 | 2.309 | 11 | 40.431 | 38.952 | 1.479 | 39.5 | |
G 1 3/8 | 1 3/8" | 44.323 | 2.309 | 11 | 42.844 | 41.365 | 1.479 | 41.5 | |
G 1 1/2 | 1 1/2" | 47.803 | 2.309 | 11 | 46.324 | 44.845 | 1.479 | 45 | |
G 1 3/4 | 1 3/4" | 53.746 | 2.309 | 11 | 52.267 | 50.788 | 1.479 | 51 | |
G 2 | 2" | 59.614 | 2.309 | 11 | 58.135 | 56.656 | 1.479 | 57 | |
G 2 1/4 | 2 1/4" | 65.71 | 2.309 | 11 | 64.231 | 62.752 | 1.479 | 63 | |
G 2 1/2 | 2 1/2" | 75.184 | 2.309 | 11 | 73.705 | 72.226 | 1.479 | 72.5 | |
G 2 3/4 | 2 3/4" | 81.534 | 2.309 | 11 | 80.055 | 78.576 | 1.479 | 79 | |
G 3 | 3" | 87.884 | 2.309 | 11 | 86.405 | 84.926 | 1.479 | 85.5 | |
G 3 1/4 | 3 1/4" | 93.98 | 2.309 | 11 | 92.501 | 91.022 | 1.479 | 91 | |
G 3 1/2 | 3 1/2" | 100.33 | 2.309 | 11 | 98.351 | 97.372 | 1.479 | 97.75 | |
G 3 3/4 | 3 3/4" | 106.68 | 2.309 | 11 | 105.201 | 103.722 | 1.479 | 104 | |
G 4 | 4" | 113.03 | 2.309 | 11 | 111.55 | 110.072 | 1.479 | 110.5 | |
G 4 1/2 | 4 1/2" | 125.73 | 2.309 | 11 | 124.251 | 122.772 | 1.479 | 123 | |
G 5 | 5" | 138.43 | 2.309 | 11 | 136.951 | 135.472 | 1.479 | 136 | |
G 5 1/2 | 5 1/2" | 151.13 | 2.309 | 11 | 149.651 | 148.172 | 1.479 | 148.5 | |
G 6 | 6" | 163.83 | 2.309 | 11 | 162.351 | 160.872 | 1.479 | 161.5 |