英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。
英制普通螺紋 (惠氏螺紋) -- 粗牙 (BSW) 名義尺寸
Ww 牙型代號 大徑
mm
d=D 螺距
mm
p 每英寸牙數
tpi 中徑
mm
d2=D2 小徑
外螺紋
d3 牙型高
H1 底孔直徑
mm 1/16" BSW 1.587 0.423 60 1.315 1.050 0.270 1.15 3/32" BSW 2.381 0.529 48 2.041 1.703 0.338 1.90 1/8" BSW 3.175 0.635 40 2.768 2.362 0.406 2.50 5/32" BSW 3.969 0.793 32 3.459 2.952 0.507 3.20 3/16" BSW 4.762 1.058 24 4.084 3.407 0.677 3.70 7/32" BSW 5.556 1.058 24 4.878 4.201 0.677 4.50 1/4" BSW 6.350 1.270 20 5.537 4.724 0.813 5.10 5/16" BSW 7.938 1.411 18 7.034 6.131 0.904 6.50 3/8" BSW 9.525 1.588 16 8.509 7.492 1.017 7.90 7/16" BSW 11.113 1.814 14 9.951 8.789 1.162 9.20 1/2" BSW 12.700 2.117 12 11.345 9.990 1.355 10.40 5/8" BSW 15.876 2.309 11 14.397 12.918 1.479 13.40 3/4" BSW 19.051 2.540 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 25.400 3.175 8 23.368 21.335 2.033 22.00 1 1/8" BSW 28.576 3.629 7 26.253 23.929 2.324 24.50 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 38.100 4.233 6 35.391 32.680 2.711 33.50 1 5/8" BSW 41.277 5.080 5 38.024 34.771 3.253 35.50 1 3/4" BSW 44.452 5.080 5 41.199 37.946 3.253 38.50 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 44.50 2 1/4" BSW 57.152 6.350 4 53.086 49.020 4.066 50.00 2 1/2" BSW 63.502 6.350 4 59.436 55.370 4.066 56.00 2 3/4" BSW 69.853 7.257 3 1/2 65.205 60.558 4.647 61.50 3" BSW 76.203 7.257 3 1/2 71.556 66.909 4.647 68.00 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 80.00 3 3/4" BSW 95.254 8.467 3 89.832 84.410 5.422 85.50 4" BSW 101.604 8.467 3 96.182 90.760 5.422 92.00 4 1/4" BSW 107.954 8.835 2 7/8 102.297 96.639 5.657 98.00 4 1/2" BSW 114.304 8.835 2 7/8 108.647 102.990 5.657 104.20 4 3/4" BSW 120.665 9.237 2 3/4 114.740 108.625 5.915 110.00 5" BSW 127.005 9.237 2 3/4 121.090 115.176 5.915 116.50 5 1/4" BSW 133.355 9.677 2 5/8 127.159 120.963 6.196 122.50 5 1/2" BSW 139.705 9.677 2 5/8 133.509 127.313 6.196 128.50 5 3/4" BSW 146.055 10.160 2 1/2 139.549 133.043 6.506 134.50 6" BSW 152.406 10.160 2 1/2 145.900 139.394 6.506 141.00
英制普通螺紋 -- 細牙 -- BSF 英制普通螺紋 (惠氏螺紋) -- 細牙 (BSW) 名義尺寸
BSF 牙型代號 大徑
mm
d=D 螺距
mm
p 每英寸牙數
tpi 中徑
mm
d2=D2 小徑
外螺紋
d3 牙型高
H1 底孔直徑
mm 3/16 BSF 4.763 0.794 32 4.255 3.747 0.508 4.00 7/32 BSF 5.556 0.907 28 4.975 4.394 0.581 4.60 1/4 BSF 6.350 0.977 26 5.725 5.100 0.625 5.30 9/32 BSF 7.142 0.977 26 6.518 5.893 0.625 6.10 5/16 BSF 7.938 1.156 22 7.199 6.459 0.739 6.80 3/8 BSF 9.525 1.27 20 8.712 7.899 0.813 8.30 7/16 BSF 11.113 1.411 18 10.209 9.304 0.904 9.70 1/2 BSF 12.700 1.588 16 11.684 10.668 1.017 11.10 9/16 BSF 14.288 1.588 16 13.272 12.256 1.017 12.70 5/8 BSF 15.875 1.814 14 14.712 13.549 1.162 14.00 11/16 BSF 17.463 1.814 14 16.300 15.137 1.162 15.50 3/4 BSF 19.050 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 BSF 25.400 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 26.50 1 1/4 BSF 31.750 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 31.50 1 1/2 BSF 38.100 3.175 8 36.068 34.036 2.033 34.50 1 5/8 BSF 41.275 3.175 8 39.243 37.211 2.033 38.00 1 3/4 BSF 44.450 3.629 7 42.126 39.802 2.324 40.50 2 BSF 50.800 3.629 7 48.476 46.152 2.324 47.00 2 1/4 BSF 57.150 4.234 6 54.440 51.730 2.711 53.00 2 1/2 BSF 63.500 4.234 6 60.790 58.080 2.711 59.00 2 3/4 BSF 69.850 4.234 6 67.140 64.430 2.711 - 3 BSF 76.200 5.08 5 72.946 69.692 3.253 - 3 1/4 BSF 82.550 5.08 5 79.296 76.042 3.253 - 3 1/2 BSF 88.900 5.645 4 1/2 85.285 81.670 3.614 - 3 3/4 BSF 95.250 5.645 4 1/2 91.635 88.020 3.614 - 4 BSF 101.600 5.645 4 1/2 97.985 94.370 3.614 - 4 1/4 BSF 107.950 6.35 4 103.886 99.822 4.066 -
Ww 牙型代號 大徑
mm
d=D 螺距
mm
p 每英寸牙數
tpi 中徑
mm
d2=D2 小徑
外螺紋
d3 牙型高
H1 底孔直徑
mm 1/16" BSW 1.587 0.423 60 1.315 1.050 0.270 1.15 3/32" BSW 2.381 0.529 48 2.041 1.703 0.338 1.90 1/8" BSW 3.175 0.635 40 2.768 2.362 0.406 2.50 5/32" BSW 3.969 0.793 32 3.459 2.952 0.507 3.20 3/16" BSW 4.762 1.058 24 4.084 3.407 0.677 3.70 7/32" BSW 5.556 1.058 24 4.878 4.201 0.677 4.50 1/4" BSW 6.350 1.270 20 5.537 4.724 0.813 5.10 5/16" BSW 7.938 1.411 18 7.034 6.131 0.904 6.50 3/8" BSW 9.525 1.588 16 8.509 7.492 1.017 7.90 7/16" BSW 11.113 1.814 14 9.951 8.789 1.162 9.20 1/2" BSW 12.700 2.117 12 11.345 9.990 1.355 10.40 5/8" BSW 15.876 2.309 11 14.397 12.918 1.479 13.40 3/4" BSW 19.051 2.540 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 25.400 3.175 8 23.368 21.335 2.033 22.00 1 1/8" BSW 28.576 3.629 7 26.253 23.929 2.324 24.50 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 38.100 4.233 6 35.391 32.680 2.711 33.50 1 5/8" BSW 41.277 5.080 5 38.024 34.771 3.253 35.50 1 3/4" BSW 44.452 5.080 5 41.199 37.946 3.253 38.50 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 44.50 2 1/4" BSW 57.152 6.350 4 53.086 49.020 4.066 50.00 2 1/2" BSW 63.502 6.350 4 59.436 55.370 4.066 56.00 2 3/4" BSW 69.853 7.257 3 1/2 65.205 60.558 4.647 61.50 3" BSW 76.203 7.257 3 1/2 71.556 66.909 4.647 68.00 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 80.00 3 3/4" BSW 95.254 8.467 3 89.832 84.410 5.422 85.50 4" BSW 101.604 8.467 3 96.182 90.760 5.422 92.00 4 1/4" BSW 107.954 8.835 2 7/8 102.297 96.639 5.657 98.00 4 1/2" BSW 114.304 8.835 2 7/8 108.647 102.990 5.657 104.20 4 3/4" BSW 120.665 9.237 2 3/4 114.740 108.625 5.915 110.00 5" BSW 127.005 9.237 2 3/4 121.090 115.176 5.915 116.50 5 1/4" BSW 133.355 9.677 2 5/8 127.159 120.963 6.196 122.50 5 1/2" BSW 139.705 9.677 2 5/8 133.509 127.313 6.196 128.50 5 3/4" BSW 146.055 10.160 2 1/2 139.549 133.043 6.506 134.50 6" BSW 152.406 10.160 2 1/2 145.900 139.394 6.506 141.00
英制普通螺紋 -- 細牙 -- BSF 英制普通螺紋 (惠氏螺紋) -- 細牙 (BSW) 名義尺寸
BSF 牙型代號 大徑
mm
d=D 螺距
mm
p 每英寸牙數
tpi 中徑
mm
d2=D2 小徑
外螺紋
d3 牙型高
H1 底孔直徑
mm 3/16 BSF 4.763 0.794 32 4.255 3.747 0.508 4.00 7/32 BSF 5.556 0.907 28 4.975 4.394 0.581 4.60 1/4 BSF 6.350 0.977 26 5.725 5.100 0.625 5.30 9/32 BSF 7.142 0.977 26 6.518 5.893 0.625 6.10 5/16 BSF 7.938 1.156 22 7.199 6.459 0.739 6.80 3/8 BSF 9.525 1.27 20 8.712 7.899 0.813 8.30 7/16 BSF 11.113 1.411 18 10.209 9.304 0.904 9.70 1/2 BSF 12.700 1.588 16 11.684 10.668 1.017 11.10 9/16 BSF 14.288 1.588 16 13.272 12.256 1.017 12.70 5/8 BSF 15.875 1.814 14 14.712 13.549 1.162 14.00 11/16 BSF 17.463 1.814 14 16.300 15.137 1.162 15.50 3/4 BSF 19.050 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 BSF 25.400 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 26.50 1 1/4 BSF 31.750 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 31.50 1 1/2 BSF 38.100 3.175 8 36.068 34.036 2.033 34.50 1 5/8 BSF 41.275 3.175 8 39.243 37.211 2.033 38.00 1 3/4 BSF 44.450 3.629 7 42.126 39.802 2.324 40.50 2 BSF 50.800 3.629 7 48.476 46.152 2.324 47.00 2 1/4 BSF 57.150 4.234 6 54.440 51.730 2.711 53.00 2 1/2 BSF 63.500 4.234 6 60.790 58.080 2.711 59.00 2 3/4 BSF 69.850 4.234 6 67.140 64.430 2.711 - 3 BSF 76.200 5.08 5 72.946 69.692 3.253 - 3 1/4 BSF 82.550 5.08 5 79.296 76.042 3.253 - 3 1/2 BSF 88.900 5.645 4 1/2 85.285 81.670 3.614 - 3 3/4 BSF 95.250 5.645 4 1/2 91.635 88.020 3.614 - 4 BSF 101.600 5.645 4 1/2 97.985 94.370 3.614 - 4 1/4 BSF 107.950 6.35 4 103.886 99.822 4.066 -
