螺纹攻牙钻孔径和滚造径对照表
螺丝攻牙钻孔径和滚造径对照表
18.376 18.917 19.835 20.376 20.917 21.835 22.376 22.917 22.835 23.376 23.917 24.376 24.835 25.376 25.917 25.835 26.376 26.917 26.752 27.835 28.376 28.917 29.835 30.376 29.752 30.835 31.376 33.376 32.752 33.835 34.376
公制迫牙丝攻钻孔径 规格
M1.0*0.25 M1.1*0.25 M1.2*0.25 M1.4*0.30 M1.6*0.35 M1.7*0.35 M1.8*0.35 M2.0*0.40 M2.2*0.45 M2.3*0.40 M2.5*0.45 M2.6*0.45 M3.0*0.50 M3.5*0.60 M4.0*0.70 M5.0*0.80 M6.0*1.00 M7.0*1.00 M8.0*1.25 M10*1.50 M10*1.25 M12*1.75 M12*1.25 注:迫牙丝攻之钻孔径,在上表所列之 被加工材料之材质,硬度,形状,尺寸 多少会有所变动,因此于参考上表之
美 制 细 螺 纹 2级牙钻孔径 规格(UNF) 标准径 最大 最小 No.0-80(1.524) 1.25 1.305 1.182 No.1-72(1.854) 1.55 1.612 1.474 No.2-64(2.184) 1.85 1.912 1.756 No.3-58(2.515) 2.1 2.197 2.025 No.4-48(2.845) 2.4 2.458 2.271 No.5-44(3.175) 2.7 2.74 2.551 No.6-40(3.506) 2.9 3.022 2.82 No.8-36(4.166) 3.5 3.606 3.404 No.10-32(4.826) 4.1 4.165 3.963 No.12-28(5.846) 4.6 4.724 4.496 1/4-28 5.5 5.588 5.36 5/16-24 6.9 7.035 6.782 3/8-24 8.5 8.636 8.382 7/16-20 9.9 10.033 9.729 1/2-20 11.5 11.607 11.329 9/16-18 12.9 13.081 12.751 5/8-18 14.5 14.681 14.351 3/4-16 17.5 17.678 17.323 7/8-14 20.5 20.575 20.27 1-12 23.2 23.571 23.114 1-1/8-12 26.5 26.746 26.289 1-1/4-12 29.5 29.921 29.464 1-3/8-12 32.8 33.096 32.639 1-1/2-12 36 36.271 35.814
螺丝攻牙钻孔径和滚丝径规格对照表
17.5
17.678
17.323
M6.0×0.75 M6.0×0.5
5.3
5.378
5.188 2007/8/14
5.5
5.55
5.4 1月12日
20.5
20.675
20.27
23.2
23.571
23.114
M7.0×0.75 M7.0×0.5
6.3
6.378
6.188 1-1/8-12
6.5
6.55
3.3
3.422
3.242 2005/8/11
3.25
3.326
3.106 2003/4/10
3.8
3.878
3.688 2007/8/9
13.6
12.868
13.386
16.5
18.84
16.307
19.5
19.761
19.177
M5.0×0.8 M5.0×0.9 M6.0×1.0
4.2
4.334
2.487
M1.7×0.35
1.35
1.421
1.321
NO.632(3.505)
2.8
2.895
2.642
M1.8×0.35
1.45
1.521
1.421
NO832(4.166)3.43.533.302
M2.0×0.4
1.6
1.679
1.567
NO.1024(4.826)
3.9
3.962
3.683
M2.2×0.45
－
NO.4-40
2.5 －
－
NO.5-40
2.83 －
－
NO.6-32
p14-1 螺纹孔攻牙钻孔径和滚造径对照表
公制细螺纹
标准径 2级牙钻孔直径 最大 最小
公制迫牙丝攻钻孔径
规格 G4-G6 精度等级 G7-G8 G9 规格
公制迫牙丝攻钻孔径
精度等级 G4-G6 G7-G8 G9 规格
英制螺纹
钻孔径 硬材 软材
M1.0×0.25 M1.1×0.25 M1.2×0.25 M1.4×0.3 M1.6×0.35 M1.7×0.35 M1.8×0.35 M2.0×0.4 M2.2×0.45 M2.3×0.4 M2.5×0.45 M2.6×0.45 M3.0×0.5 M3.0×0.6 M3.5×0.6 M4.0×0.7 M4.0×0.75 M4.5×0.75 M5.0×0.8 M5.0×0.9 M6.0×1.0 M7.0×1.0 M8.0×1.25 M9.0×1.25 M10×1.5 M11×1.5 M12×1.75 M14×2.0 M16×2.0 M18×2.5 M20×2.5 M22×2.5 M24×3.0 M27×3.0 M30×3.5
11.00 11.5 12.50 13.00 13.50 14.00 14.50 15.00 15.50 16.00 16.00 16.50 17.00 18.00 18.50 19.00 20.00 20.50 21.00 22.00 22.50 23.00 23.00 23.50 24.00 24.50 25.00 25.50 26.00 26.00 26.50 27.00 27.00 28.00 28.50 29.00 30.00 30.50 30.00 31.00 31.50 33.50 33.00 34.00 34.50
2.65 3.25 3.75 5.10 6.60 8.00 9.40 10.70 12.30 13.70 16.70 19.50 22.40 25.00 28.30
螺丝攻牙钻孔径和滚造径对照表
精 度 等级
G4-G6 G7-G8 G9
0.86
0.88 -
0.96
0.98 -
1.06
1.08 -
1.24
1.25 -
1.41
1.43 -
1.51
1.53 -
1.61
1.63 -
1.78
1.80 -
1.95
1.98 -
2.08
2.10 -
2.25
2.28 -
2.35
2.38 -
2.73
2.75 -
螺丝攻牙钻孔径和滚造径对照表
公制粗螺纹
规格
M1.0*0.25 M1.1*0.25 M1.2*0.25 M1.4*0.30 M1.6*0.35 M1.7*0.35 M1.8*0.35 M2.0*0.40 M2.2*0.45 M2.3*0.40 M2.5*0.45 M2.6*0.45 M3.0*0.50 M3.0*0.60 M3.5*0.60 M4.0*0.70 M4.0*0.75 M4.5*0.75 M5.0*0.80 M5.0*0.90 M6.0*1.00 M7.0*1.00 M8.0*1.25 M9.0*1.25 M10*1.50 M11*1.50 M12*1.75 M14*2.00 M16*2.00 M18*2.50 M20*2.50 M22*2.50 M24*3.00 M27*3.00 M30*3.50
2.440 2.280
3.010 2.850
3.422 3.242
3.326 3.106
3.878 3.688
4.334 4.134
4.170 3.930
5.153 4.917
6.153 5.917
6.912 6.647
螺纹孔径和滚造径对照表
M32×1.5 M33×3.0 M33×2.0 M33×1.5 M35×1.5 M36×3.0 M36×2.0 M36×1.5
30.50 30.00 31.00 31.50 33.50 33.00 34.00 34.50
30.676 30.252 31.210 31.376 33.676 33.252 34.210 34.676
英 W1/8 - 40 W5/32 - 32 W3/16 - 24 W1/4 - 20 W5/16 - 18 W3/8 - 16 W7/16 - 14 W1/2 - 12 W9/16 - 12 W5/8 - 11 W3/4 - 10 W7/8 - 9 W1 - 8 W1-1/8 - 7 W1-1/4 - 7
螺纹攻牙钻孔径和滚造径对照表
公
规格 M1.0×0.25 M1.1×0.25 M1.2×0.25 M1.4×0.3 M1.6×0.35 M1.7×0.35 M1.8×0.35 M2.0×0.4 M2.2×0.45 M2.3×0.4 M2.5×0.45 M2.6×0.45 M3.0×0.5 M3.0×0.6 M3.5×0.6 M4.0×0.7 M4.0×0.75 M4.5×0.75 M5.0×0.8 M5.0×0.9 M6.0×1.0 M7.0×1.0 M8.0×1.25 M9.0×1.25 M10×1.5 M11×1.5 M15 M22×2.5 M24×3.0 M27×3.0 M30×3.5
螺
纹
美
制
粗
标准径 1.55 1.80 2.10 2.30 2.60 2.80 3.40 3.90 4.50 5.10 6.60 8.00 9.40 10.80 12.20 13.60 16.20 19.50 22.20 25.00 28.20 30.80 34.00 39.50 45.20
螺纹孔径和滚造径对照表
0.75 0.85 0.95 1.10 1.25 1.35 1.45 1.60 1.75 1.90 2.10 2.20 2.50 2.40 2.90 3.30 3.25 3.80 4.20 4.10 5.00 6.00 6.80 7.80 8.50 9.50 10.30 12.00 14.00 15.50 17.50 19.50 21.00 24.00 26.50
ቤተ መጻሕፍቲ ባይዱ
M1.2×0.25
1.06 1.08
M1.4×0.3
1.24 1.25
M1.6×0.35
1.41 1.43
M1.7×0.35
1.51 1.53
M1.8×0.35
1.61 1.63
M2.0×0.4
1.78 1.80
M2.2×0.45
1.95 1.98
M2.3×0.4
2.08 2.10
M2.5×0.45
2级牙钻孔径 最大 最小 0.821 0.783 0.921 0.883 1.021 0.983 1.221 0.183 1.421 1.383 1.500 1.460 1.621 1.583 1.785 1.729 1.985 1.929 2.061 2.001 2.221 2.121 2.246 2.186 2.721 2.621 3.221 3.121 3.599 3.459 4.099 3.959 4.599 4.459 5.099 4.959 5.378 5.188 5.550 5.400 6.378 61.88 6.550 64.00 7.153 6.917 7.378 7.188 7.520 7.400 8.153 7.917 8.378 8.188 8.912 8.647 9.153 8.917 9.378 9.188 9.520 9.400 10.153 9.917 10.378 10.188 10.676 10.376 10.912 10.647
螺丝攻牙钻孔径和滚造径对照表
M17×1.5
规格
M17×1.0 M18×2.0 M18×1.5 M18×1.0 M20×2.0 M20×1.5 M20×1.0 M22×2.0 M22×1.5 M22×1.0 M24×2.0 M24×1.5 M24×1.0 M25×2.0 M25×1.5 M25×1.0 M26×1.5 M27×2.0 M27×1.5 M27×1.0 M28×2.0 M28×1.5
9.50 9.520 9.400
10.00 10.153 9.917
10.30 10.378 10.188
10.50 10.676 10.376
10.80 10.912 10.647
11.00 11.153 10.917
11.50 11.520 11.400
12.50 12.676 12.376
13.00 13.153 12.917
30.00 30.252 29.752
31.00 31.210 30.835
31.50 31.676 31.376
33.50 33.676 33.376
33.00 33.252 32.752
34.00 34.210 33.835
34.50 34.676 34.376
美制细螺纹
规格（UNC）
标准径
2级牙钻孔径 最大 最小
规格
M8.0×1.0 M8.0×0.75 M8.0×0.5 M9.0×1.0 M9.0×0.75 M10×1.25 M10×1.0 M10×0.75 M10×0.5 M11×1.0 M11×0.75 M12×1.5 M12×1.25 M12×1.0 M12×0.5 M14×1.5 M14×1.0 M15×1.5 M15×1.0 M16×1.5 M16×1.0
超全螺纹攻牙钻孔直径和滚造直径对照表,值得收藏!
M17×1.0
16.00
16.153
15.917
M18×2.0
16.00
16.210
15.835
M18×1.5
16.50
16.670
16.376
M18×1.0
17.00
17.153
16.917
M20×2.0
18.00
18.210
17.835
M20×1.5
18.50
18.676
18.376
39.50
39.827
38.964
2 -4-1/2
45.20
45.593
44.679
英制螺纹
规格
钻孔径
硬材
软材
W1/8 - 40
2.65
2.60
W5/32 - 32
3.25
3.20
W3/16 - 24
3.75
3.70
W1/4 - 20
11.938
11.709
9/16 -28
13.20
13.386
13.132
5/8 -24
14.80
14.986
14.732
3/4 -20
17.80
17.958
17.678
7/8 -20
21.00
21.133
20.853
1 -20
24.00
24.308
24.028
美 制 粗 螺 纹
规格(UNC)
标准径
1.40
1.421
1.383
M1.7×0.2
1.45
1.500
1.460
M1.8×0.2
1.60
螺丝攻牙钻孔径和滚丝径对照表
螺丝攻牙钻孔径和滚丝径对照表公制粗螺纹美制粗螺纹规格标准径 2级牙钻孔径规格〔UNC〕标准径 2级牙钻孔径最大最小最大最小M1.0×0.25 0.75 0.785 0.729 NO.1-64(1.854) 1.55 1.582 1.425 M1.1×0.25 0.85 0.885 0.829 NO.2-56(2.184) 1.80 1.871 1.695 M1.2×0.25 0.95 0.9850.985 NO.3-48(2.515) 2.10 2.146 1.941M1.4×0.3 1.10 1.142 1.075 NO.4-40(2.845) 2.30 2.385 2.157 M1.6×0.35 1.25 1.321 1.221 NO.5-40(3.175) 2.60 2.697 2.487 M1.7×0.35 1.35 1.421 1.321 NO.6-32(3.505) 2.80 2.895 2.642 M1.8×0.35 1.45 1.521 1.421 NO8-32(4.166) 3.40 3.53 3.302M2.0×0.4 1.60 1.679 1.567 NO.10-24(4.826) 3.90 3.962 3.683 M2.2×0.45 1.75 1.838 1.713 NO.12-24(5.486) 4.50 4.597 4.344 M2.3×0.4 1.90 1.979 1.867 1/4-20 5.10 5.257 4.979M2.5×0.45 2.10 2.138 2.013 5/16-18 6.60 6.731 6.401M2.6×0.45 2.20 2.238 2.113 3/8-16 8.00 8.153 7.798M3.0×0.5 2.50 2.599 2.459 7/16-14 9.40 9.55 9.144M3.0×0.6 2.40 2.440 2.280 1/2-13 10.80 11.023 10.592M3.5×0.6 2.90 3.010 2.850 9/16-12 12.20 12.446 11.989M4.0×0.7 3.30 3.422 3.242 5/8-11 13.60 12.868 13.386M4.0×0.75 3.25 3.326 3.106 3/4-10 16.50 18.840 16.307M4.5×0.75 3.80 3.878 3.688 7/8-9 19.50 19.761 19.177M5.0×0.8 4.20 4.334 4.134 1 22.20 22.606 21.971M5.0×0.9 4.10 4.170 3.930 1-1/8-7 25.00 25.349 24.638M6.0×1.0 5.00 5.153 4.917 1-1/4-7 28.20 28.524 27.813M7.0×1.0 6.00 6.153 5.917 1-3/8-6 30.80 31.115 30.353M8.0×1.25 6.80 6.912 6.647 1-1/2-6 34.00 34.290 33.528M9.0×1.25 7.80 7.912 7.647 1-3/4-5 39.50 39.827 38.964M10×1.5 8.50 8.676 8.376 2-4-1/2 45.20 45.593 44.679M11×1.5 9.50 9.676 9.376M12×1.75 10.30 10.441 10.106M14×2.0 12.00 12.210 11.835M16×2.0 14.00 14.210 13.835M18×2.5 15.50 15.744 15.294M20×2.5 17.50 17.744 17.294M22×2.5 19.50 19.744 19.294M24×3.0 21.00 21.252 20.752M27×3.0 24.00 24.252 23.752M30×3.5 26.50 26.771 26.211螺丝攻牙钻孔径和滚丝径对照表公制细螺纹美制细螺纹规格标准径 2级牙钻孔径规格〔UNC〕标准径 2级牙钻孔径最大最小最大最小M1.0×0.2 0.80 0.821 0.783 NO.0-80(1.524) 1.25 1.305 1.182M1.1×0.2 0.90 0.921 0.883 NO.1-72(1.854) 1.55 1.612 1.474M1.2×0.2 1.00 1.021 0.983 NO.2-64(2.184) 1.85 1.912 1.756M1.4×0.2 1.20 1.221 1.183 NO.3-56(2.515) 2.10 2.197 2.025M1.6×0.2 1.40 1.421 1.383 NO.4-48(2.845) 2.40 2.458 2.271M1.7×0.2 1.45 1.500 1.460 NO.5-44(3.175) 2.70 2.740 2.551M1.8×0.2 1.60 1.621 1.583 NO.6-40(3.505) 2.90 3.022 2.820 M2.0×0.25 1.75 1.785 1.729 NO.8-36(4.166) 3.50 3.606 3.404 M2.2×0.25 1.95 1.985 1.929 NO.10-32(4.826) 4.10 4.165 3.963 M2.3×0.25 2.05 2.061 2.001 NO.12-28(5.846) 4.60 4.724 4.496 M2.5×0.35 2.20 2.221 2.121 1/4-28 5.50 5.588 5.360M2.6×0.35 2.20 2.246 2.186 5/16-24 6.90 7.035 6.782M3.0×0.35 2.70 2.721 2.621 3/8-24 8.50 8.636 8.382M3.5×0.35 3.20 3.221 3.121 7/16-20 9.90 10.033 9.729M4.0×0.5 3.50 3.599 3.459 1/2-20 11.50 11.607 11.329M4.5×0.5 4.00 4.099 3.959 9/16-18 12.90 13.081 12.751M5.0×0.5 4.50 4.599 4.459 5/8-18 14.50 14.681 14.351M5.5×0.5 5.00 5.099 4.959 3/4-16 17.50 17.678 17.323M6.0×0.75 5.30 5.378 5.188 7/8-14 20.50 20.675 20.270M6.0×0.5 5.50 5.550 5.400 1-12 23.20 23.571 23.114M7.0×0.75 6.30 6.378 6.188 1-1/8-12 26.50 26.746 26.289M7.0×0.5 6.50 6.550 6.400 1-1/4-12 29.50 29.921 29.464M8.0×1.0 7.00 7.153 6.917 1-3/8-12 32.80 33.096 32.639M8.0×0.75 7.30 7.378 7.188 1-1/2-12 36.00 36.271 35.814M8.0×0.5 7.50 7.520 7.400M9.0×1.0 8.00 8.153 7.917M9.0×0.75 8.30 8.378 8.188M10×1.25 8.80 8.912 8.647M10×1.0 9.00 9.153 8.917M10×0.75 9.30 9.378 9.188M10×0.5 9.50 9.520 9.400M11×1.0 10.00 10.153 9.917M11×0.75 10.30 10.378 10.188. .M12×1.5 10.50 10.676 10.376M12×1.25 10.80 10.912 10.647M12×1.0 11.00 11.153 10.917M12×0.5 11.50 11.520 11.400M14×1.5 12.50 12.676 12.376M14×1.0 13.00 13.153 12.917M15×1.5 13.50 13.676 13.376M15×1.0 14.00 14.153 13.917M16×1.5 14.50 14.676 14.376M16×1.0 15.00 15.153 14.917M17×1.5 15.50 15.676 15.376M17×1.0 16.00 16.153 15.917M18×2.0 16.00 16.210 15.835M18×1.5 16.50 16.676 16.376M18×1.0 17.00 17.153 16.917M20×2.0 18.00 18.210 17.835M20×1.5 18.50 18.676 18.376M20×1.0 19.00 19.153 18.917M22×2.0 20.00 20.210 19.835M22×1.5 20.50 20.676 20.376M22×1.0 21.00 21.153 20.917M24×2.0 22.00 22.210 21.835M24×1.5 22.50 22.676 22.376M24×1.0 23.00 23.153 22.917M25×2.0 23.00 23.210 22.835M25×1.5 23.50 23.676 23.376M25×1.0 24.00 24.153 23.917M26×1.5 24.50 24.676 24.376M27×2.0 25.00 25.210 24.835M27×1.5 25.50 25.676 25.376M27×1.0 26.00 26.153 25.917M28×2.0 26.00 26.210 25.835M28×1.5 26.50 26.676 26.376M28×1.0 27.00 27.153 26.917M30×3.0 27.00 27.252 26.752M30×2.0 28.00 28.210 27.835M30×1.5 28.50 28.676 28.376M30×1.0 29.00 29.153 28.917. v .M32×2.0 30.00 30.210 29.835M32×1.5 30.50 30.676 30.376M33×3.0 30.00 30.252 29.752M33×2.0 31.00 31.210 30.835M33×1.5 31.50 31.676 31.376M35×1.5 33.50 33.676 33.376M36×3.0 33.00 33.252 32.752M36×2.0 34.00 34.210 33.835M36×1.5 34.50 34.676 34.376螺丝攻牙钻孔径和滚丝径对照表公制挤压丝攻钻孔径美制挤压丝攻钻孔径规格精度等级规格〔UNC〕精度等级G4-G6 G7-G8 G9 G4-G6 G7-G8 G9M1.0×0.25 0.86 0.88 － NO.2-56UNC 1.94 －－M1.1×0.25 0.96 0.98 － NO.3-48 2.23 －－M1.2×0.25 1.06 1.08 － NO.4-40 2.50 －－M1.4×0.3 1.24 1.25 － NO.5-40 2.83 －－M1.6×0.35 1.41 1.43 － NO.6-32 3.07 －－M1.7×0.35 1.51 1.53 － NO.8-32 3.73 3.77 －M1.8×0.35 1.61 1.63 － NO.10-24 4.24 4.3 －M2.0×0.4 1.78 1.80 － NO.12-24 4.90 4.96 －M2.2×0.45 1.95 1.98 － 1/4-20 － 5.72 －M2.3×0.4 2.08 2.10 － 5/16-18 － 7.24 －M2.5×0.45 2.25 2.28 － 3/8-16 － 8.74 8.81M2.6×0.45 2.35 2.38 － 7/16-14 － 10.20 10.30 M3.0×0.5 2.73 2.75 － 1/2-13 － 11.27 11.82M3.5×0.6 3.17 3.20 － NO.2-64UNF 1.97 －－M4.0×0.7 3.62 3.65 3.69 NO.3-56 2.27 －－M5.0×0.8 4.56 4.60 4.64 NO.4-48 2.56 －－M6.0×1.0 5.45 5.50 5.55 NO.5-44 2.86 －－M7.0×1.0 6.45 6.50 6.55 NO.6-40 3.16 －－M8.0×1.25 7.31 7.38 7.44 NO.8-36 3.78 －－M10×1.5 9.18 9.25 9.32 NO.10-32 4.39 4.43 －M10×1.25 9.31 9.38 9.44 NO.12-28 4.99 5.04 －M12×1.75 11.04 11.12 11.21 1/4-28 5.85 5.90 －M12×1.25 11.31 11.38 11.44 5/16-24 7.36 7.41 － 3/8-24 － 9.00 －. .7/16-20 － 10.48 10.541/2-20 － 12.07 12.13美制特细螺纹英制电器螺纹规格标准径 2级牙钻孔径规格钻孔径最大最小NO.12-32 4.70 4.826 4.623 2BA 4.0-4.21/4 -32 5.60 5.690 5.486 3BA5/16 -32 7.10 7.264 7.087 4BA 3.0-3.23/8 -32 8.70 8.865 8.661 5BA 2.7-2.87/16 -28 10.20 10.338 10.135 6BA 2.4-2.51/2 -28 11.80 11.938 11.7099/16 -24 13.20 13.386 13.1325/8 -24 14.80 14.986 14.7323/4 -20 17.80 17.958 17.6787/8 -20 21.00 21.133 20.8531 -20 24.00 24.308 24.028螺丝攻牙钻孔径和滚丝径对照表英制螺纹公制螺纹针车用螺纹规格(UNEF) 钻孔径规格滚丝径规格滚丝径硬材软材W 1/8 - 40 2.65 2.60 M3×0.5 2.63-2.60 SM1/8-40 2.735-2.688W 5/32 - 32 3.25 3.20 M3.0×0.6 2.56-2.53 SM1/8-44 2.769-2.722W 3/16 - 24 3.75 3.70 M3.5×0.6 3.06-3.03 SM9/64-40 3.128-3.083 W 1/4 - 20 5.10 5.00 M4.0×0.7 3.49-3.45 SM11/64-40 3.855-3.805 W 5/16 - 18 6.60 6.50 M4.0×0.75 3.45-3.41 SM3/16-32 4.205-4.155 W 3/8 - 16 8.00 7.90 M4.5×0.75 3.96-3.92 SM3/16-28 4.143-4.093 W 7/16 - 14 9.40 9.30 M5.0×0.8 4.43-4.38 SM7/32-32 5.003-4.955 W 1/2 - 12 10.70 10.50 M5.0×0.9 4.36-4.31 SM15/64-28 5.325-5.570 W 9/16 - 12 12.30 12.00 M6.0×1.0 5.30-5.25 SM1/4-40 5.890-5.735 W 5/8 - 11 13.70 13.50 M7.0×1.0 6.30-6.25 SM1/4-28 5.721-5.366 W 3/4 - 10 16.70 16.50 M8.0×1.0 7.28-7.23 SM9/32-28 6.508-6.648 W 7/8 - 9 19.50 19.30 M8.0×1.25 7.12-7.07 SM11/32-28 8.092-8.432 W1 - 8 22.40 22.00 SM3/8-28 8.880-8.015W 1-1/8 - 7 25.00 24.80 SM7/16-28 10.466-10.401W 1 - 1/4 - 7 28.30 28.00 SM7/16-16 10.037-9.967SM1/2-20 11.819-11.749. v .SM9/26-20 13.400-13.425英制管螺纹英制管螺纹美制管螺纹规格标准径钻孔径规格标准径有交牙部之长度〔最小〕中之毋螺牙内径标准长度〔最小〕中之毋螺牙内径规格钻孔径最大最小使用绞刀时不用绞刀时 NPT NPS使用绞刀时不用绞刀时PS 1/16 - 28 6.50 6.632 6.490 PT 1/16 - 28 6.10 6.20 6.244 6.384 1/16 - 27 6.10 6.25 6.35PS 1/8 - 28 8.50 8.637 8.495 PT 1/8 - 28 8.10 8.20 8.249 8.388 1/8 - 278.33 8.43 8.74PS 1/4 - 19 11.40 11.549 11.341 PT 1/4 - 19 10.70 11.00 10.962 11.174 1/4 - 18 10.72 11.13 11.13PS 3/8 - 19 15.00 15.054 14.846 PT 3/8 - 19 14.20 14.50 14.448 14.658 3/8 - 18 14.27 14.27 14.68PS 1/2 - 14 18.50 18.773 18.489 PT 1/2 - 14 17.60 18.00 17.979 18.263 1/2 - 14 17.48 17.86 18.26PS 3/4 -14 24.00 24.259 23.975 PT 3/4 - 14 23.00 23.50 23.378 23.663 3/4 - 14 22.63 23.01 23.42PS 1 - 11 30.20 30.471 30.111 PT 1- 11 29.00 29.50 29.459 29.822 1 - 11-1/2 28.58 28.98 29.36PS 1-1/4 - 11 38.80 39.132 38.772 PT 1-1/4 - 11 37.50 38.00 37.976 38.339 1-1/4-11-1/2 37.31 37.69 38.10PS 1-1/2 - 11 44.80 45.025 44.665 PT 1-1/2 - 11 43.40 44.00 43.869 44.232 1-1/2-11-1/2 43.66 44.04 44.45PS 2 - 11 56.50 56.836 56.476 PT 2 - 11 54.90 55.50 55.412 55.844 2 - 11 - 1/2 55.58 55.96 56.36。
螺丝攻牙钻孔径和滚造径对照表
螺丝攻牙钻孔径和滚造径对照表螺丝攻牙钻孔径和滚造径对照表公制粗螺纹美制粗螺纹规格标准径2级牙钻规格（UN标准2级牙钻最大最小最大最小M1.0×0.25 0.70.70.7NO.1-1.51.5 1.4 M1.1×0.25 0.80.80.8NO.2-1.81.8 1.6 M1.2×0.25 0.90.90.9NO.3-2.12.1 1.9 M1.4×0.3 1.1 1.1 1.0NO.4-2.32.3 2.1 M1.6×0.35 1.2 1.3 1.2NO.5-2.62.6 2.4 M1.7×0.35 1.3 1.4 1.3NO.6-2.82.8 2.6 M1.8×0.35 1.4 1.5 1.4NO8- 3.43.5 3.3 M2.0×0.4 1.6 1.6 1.5NO.1 3.93.9 3.6 M2.2×0.45 1.7 1.8 1.7NO.1 4.54.5 4.3 M2.3×0.4 1.9 1.9 1.81/4- 5.15.2 4.9 M2.5×0.45 2.1 2.1 2.05/16-6.66.7 6.4 M2.6×0.45 2.2 2.2 2.13/8-8.08.17.7 M3.0×0.5 2.5 2.5 2.47/16-9.49.59.1 M3.0×0.6 2.4 2.4 2.21/2-10.11.10. M3.5×0.6 2.9 3.0 2.89/16-12.12.11. M4.0×0.7 3.3 3.4 3.25/8-13.12.13. M4.0×0.75 3.2 3.3 3.13/4-16.18.16. M4.5×0.75 3.8 3.8 3.67/8-9 19.19.19. M5.0×0.8 4.2 4.3 4.1 1 22.22.21. M5.0×0.9 4.1 4.1 3.91-25.25.24. M6.0×1.0 5.0 5.1 4.91-28.28.27. M7.0×1.0 6.0 6.1 5.91-30.31.30. M8.0×1.25 6.8 6.9 6.61-34.34.33. M9.0×1.25 7.87.97.61-39.39.38. M10×1.5 8.58.68.32-4-45.45.44. M11×1.5 9.59.69.3M12×1.75 10.10.10.M14×2.0 12.12.11.M16×2.0 14.14.13.M18×2.5 15.15.15.M20×2.5 17.17.17.M22×2.5 19.19.19.M24×3.0 21.21.20.M27×3.0 24.24.23.M30×3.5 26.26.26.M16丝孔钻14。
螺丝攻牙钻孔径和滚丝径对照表
螺丝攻牙钻孔径和滚丝径对照表公制粗螺纹美制粗螺纹规格标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径M1.0 M1.1 M1.2 M1.4 M1.6 M1.7 M1.8 M2.0 M2.2 M2.3 M2.5 M2.6 M3.0 M3.0 M3.5 M4.0 M4.0 M4.5 M5.0 M5.0 M6.0 M7.0最h< 取小i 0.785 0.729 NO.1-64(1.854) 1.55 1.582 1.425i 0.885 0.829 NO.2-56(2.184) 1.80 1.871 1.695i 0.985 0.985 NO.3-48(2.515)2.10 2.146 1.9411.142 1.075 NO.4-40(2.845) 2.30 2.385 2.157i 1.321 1.221 NO.5-40(3.175) 2.60 2.697 2.487i 1.421 1.321 NO.6-32(3.505) 2.80 2.895 2.642i 1.521 1.421 NO8-32(4.166) 3.40 3.53 3.3021.679 1.567 NO.10-24(4.826) 3.90 3.962 3.683i 1.838 1.713 NO.12-24(5.486) 4.50 4.597 4.3441.979 1.867 1/4-20 5.10 5.257 4.979I 2.138 2.013 5/16-18 6.60 6.731 6.401I 2.238 2.113 3/8-16 8.00 8.153 7.7982.599 2.459 ?16-14 9.40 9.55 9.1442.440 2.280 1/2-13 10.80 11.023 10.5923.010 2.850 9/16-12 12.20 12.446 11.9893.422 3.242 ^8-11 13.60 12.868 13.386i 3.326 3.106 ^4-10 16.50 18.840 16.307I 3.878 3.688 778-9 19.50 19.761 19.1774.334 4.134 1 22.20 22.606 21.9714.170 3.930 1-1/8-7 25.00 25.349 24.6385.153 4.917 1-1/4-7 28.20 28.524 27.8136.153 5.917 1-3/8-6 30.80 31.115 30.3530.25 0.750.25 0.850.25 0.950.5 2.500.6 2.400.6 2.900.7 3.300.8 4.200.9 4.101.0 5.001.0 6.000.3 1.100.35 1.250.35 1.350.35 1.450.4 1.600.45 1.750.4 1.900.45 2.100.45 2.200.75 3.250.75 3.80M8.0 X 1.25 6.80 6.912 6.647 1-1/2-6 34.00 34.290 33.528M9.0 X 1.25 7.80 7.912 7.647 1-3/4-5 39.50 39.827 38.964M10X 1.5 8.50 8.676 8.376 2-4-1/2 45.20 45.593 44.679M11X 1.5 9.50 9.676 9.376M12X 1.75 10.30 10.441 10.106M14X 2.0 12.00 12.210 11.835M16X 2.0 14.00 14.210 13.835M18X 2.5 15.50 15.744 15.294M20X 2.5 17.50 17.744 17.294M22X 2.5 19.50 19.744 19.294M24X 3.0 21.00 21.252 20.752M27X 3.0 24.00 24.252 23.752M30X 3.5 26.50 26.771 26.211螺丝攻牙钻孔径和滚丝径对照表公制细螺纹美制细螺纹规格标准径2级牙钻孔径规格(UNC)标准径2级牙钻孔径最大最小最大最小M1.0 X 0.2 0.80 0.821 0.783 N0.0-80(1.524) 1.25 1.3051.182M1.1 X 0.2 0.90 0.921 0.883 NO.1-72(1.854) 1.55 1.6121.474M1.2 X 0.2 1.00 1.021 0.983 NO.2-64(2.184) 1.85 1.9121.756M1.4 X 0.2 1.20 1.221 1.183 NO.3-56(2.515) 2.10 2.1972.025M1.6 X 0.2 1.40 1.421 1.383 NO.4-48(2.845) 2.40 2.4582.271M1.7 X 0.2 1.45 1.500 1.460 NO.5-44(3.175) 2.70 2.740 2.551 M1.8 X 0.2 1.60 1.621 1.583 N0.6-40(3.505) 2.90 3.022 2.820 M2.0 X 0.25 1.75 1.785 1.729 NO.8-36(4.166)3.50 3.606 3.404M2.2 X 0.25 1.95 1.985 1.929 NO.10-32件826) 4.10 4.165 3.963M2.3 X 0.25 2.05 2.061 2.001 NO.12-28(5.846) 4.60 4.724 4.496 M2.5 X 0.35 2.20 2.221 2.121 1/4-28 5.50 5.588 5.360M2.6 X 0.35 2.20 2.246 2.186 5/16-24 6.90 7.035 6.782M3.0 X 0.35 2.70 2.721 2.621 38-24 8.50 8.636 8.382M3.5 X 0.35 3.20 3.221 3.121 7716-20 9.90 10.033 9.729M4.0 X 0.5 3.50 3.599 3.459 1/2-20 11.50 11.607 11.329M4.5 X 0.5 4.00 4.099 3.959 9/16-18 12.90 13.081 12.751M5.0 X 0.5 4.50 4.599 4.459 ^8-18 14.50 14.681 14.351M5.5 X 0.5 5.00 5.099 4.959 34-16 17.50 17.678 17.323M6.0 X 0.75 5.30 5.378 5.188 778-14 20.50 20.675 20.270M6.0 X 0.5 5.50 5.550 5.400 1-12 23.20 23.571 23.114M7.0 X 0.75 6.30 6.378 6.188 1-1/8-12 26.50 26.746 26.289M7.0 X 0.5 6.50 6.550 6.400 1-1/4-12 29.50 29.921 29.464M8.0 X 1.0 7.00 7.153 6.917 1-3/8-12 32.80 33.096 32.639M8.0 X 0.75 7.30 7.378 7.188 1-1/2-12 36.00 36.271 35.814M8.0 X 0.5 7.50 7.520 7.400M9.0 X 1.0 8.00 8.153 7.917M9.0 X 0.75 8.30 8.378 8.188M10X 1.25 8.80 8.912 8.647M10X 1.0 9.00 9.153 8.917M10X 0.75 9.30 9.378 9.188M10X 0.5 9.50 9.520 9.400M11X 1.0 10.00 10.153 9.917M11X 0.75 10.30 10.378 10.188M12X 1.5 10.50 10.676 10.376M12X 1.25 10.80 10.912 10.647M12X 1.0 11.00 11.153 10.917 M12X 0.5 11.50 11.520 11.400M14X 1.5 12.50 12.676 12.376 M14X 1.0 13.00 13.153 12.917 M15X 1.5 13.50 13.676 13.376 M15X 1.0 14.00 14.153 13.917 M16X 1.5 14.50 14.676 14.376 M16X 1.0 15.00 15.153 14.917 M17X 1.5 15.50 15.676 15.376 M17X 1.0 16.00 16.153 15.917 M18X 2.0 16.00 16.210 15.835 M18X 1.5 16.50 16.676 16.376 M18X 1.0 17.00 17.153 16.917 M20X 2.0 18.00 18.210 17.835 M20X 1.5 18.50 18.676 18.376 M20X 1.0 19.00 19.153 18.917 M22X 2.0 20.00 20.210 19.835M22X 1.5 20.50 20.676 20.376 M22X 1.0 21.00 21.153 20.917M24X 2.0 22.00 22.210 21.835M24X 1.5 22.50 22.676 22.376 M24X 1.0 23.00 23.153 22.917M25X 2.0 23.00 23.210 22.835 M25X 1.5 23.50 23.676 23.376 M25X 1.0 24.00 24.153 23.917 M26X 1.5 24.50 24.676 24.376M27X 2.0 25.00 25.210 24.835M27X 1.5 25.50 25.676 25.376M27X 1.0 26.00 26.153 25.917M28X 2.0 26.00 26.210 25.835M28X 1.5 26.50 26.676 26.376M28X 1.0 27.00 27.153 26.917M30X 3.0 27.00 27.252 26.752M30X 2.0 28.00 28.210 27.835M30X 1.5 28.50 28.676 28.376M30X 1.0 29.00 29.153 28.917M32X 2.0 30.00 30.210 29.835M32X 1.5 30.50 30.676 30.376M33X 3.0 30.00 30.252 29.752M33X 2.0 31.00 31.210 30.835M33X 1.5 31.50 31.676 31.376M35X 1.5 33.50 33.676 33.376M36X 3.0 33.00 33.252 32.752M36X 2.0 34.00 34.210 33.835M36X 1.5 34.50 34.676 34.376螺丝攻牙钻孔径和滚丝径对照表公制挤压丝攻钻孔径美制挤压丝攻钻孔径规格精度等级规格(UNC)精度等级G4-G6 G7-G8 G9 G4-G6 G7-G8 G9M1.0 X 0.25 0.86 0.88 — NO.2-56UNC 1.94M1.1 X 0.25 0.96 0.98 — NO.3-48 2.23 —M1.2 M1.4 M1.6 M1.7 M1.8 M2.0 M2.2 M2.3 M2.5 M2.6 M3.0 M3.5 M4.0 M5.0 M6.0 M7.0 M8.0 M10 M10 M12 M12 0.25 1.06 1.08 — NO.4-40 2.50 ——0.3 1.24 1.25 —NO.5-40 2.83 ——0.35 1.41 1.43 —NO.6-32 3.07 ——0.35 1.51 1.53 —NO.8-32 3.73 3.77 —0.35 1.61 1.63 —NO.10-24 4.24 4.3 —0.4 1.78 1.80 —NO.12-24 4.90 4.96 —0.45 1.95 1.98 —1/4-20 — 5.72 —0.4 2.08 2.10 —5^16-18 — 7.24 —0.45 2.25 2.28 —^8-16 — 8.74 8.810.45 2.35 2.38 —7716-14 — 10.20 10.30 0.5 2.73 2.75 —1/2-13 — 11.27 11.82 0.6 3.17 3.20 —NO.2-64UNF 1.97 ——0.7 3.62 3.65 3.69 NO.3-56 2.27 ——0.8 4.56 4.60 4.64 NO.4-48 2.56 ——1.0 5.45 5.50 5.55 NO.5-442.86 ——1.0 6.45 6.50 6.55 NO.6-40 3.16 ——1.25 7.31 7.38 7.44 NO.8-36 3.78 ——1.5 9.18 9.25 9.32 NO.10-32 4.39 4.43 —1.25 9.31 9.38 9.44 NO.12-28 4.99 5.04 —5.901.75 11.04 11.12 11.21 1/4-28 5.851.25 11.31 11.38 11.44 5/16-24 7.36 7.4138-24 9.00力6-20 10.48 10.541/2-20 12.07 12.13美制特细螺纹英制电器螺纹规格标准径2级牙钻孔径规格钻孔径最大最小NO.12-32 4.70 4.826 4.623 2BA 4.0-4.21/4 -32 5.60 5.690 5.486 3BA06 -32 7.10 7.264 7.087 4BA 3.0-3.238 -32 8.70 8.865 8.661 5BA 27-2.87716 -28 10.20 10.338 10.135 6BA2.4-2.51/2 -28 11.80 11.938 11.7099/16 -24 13.20 13.386 13.13238 -24 14.80 14.986 14.73234 -20 17.80 17.958 17.678778 -20 21.00 21.133 20.8531 -20 24.00 24.308 24.028螺丝攻牙钻孔径和滚丝径对照表英制螺纹公制螺纹针车用螺纹规格(UNEF)钻孔径规格滚丝径规格滚丝径硬材软材W 1/8 -40 2.65 2.60 M3X 0.5 2.63-2.60 SM78-40 2.735-2.688W ®32 - 32 3.25 3.20 M3.0 X 0.6 2.56-2.53 SM&44 2.769-2.722W3/16 -24 3.75 3.70 M3.5 X 0.6 3.06-3.03 SM904-4O 3.128-3.083 W 1/4 - 20 5.10 5.00 M4.0 X 0.7 3.49-3.45 SM1/B4-40 3.855-3.805 W^16- 18 6.60 6.50 M4.0 X 0.75 3.45-3.41 SIVK36-32 4.205-4.155 W3/8- 16 8.00 7.90 M4.5 X 0.75 3.96-3.92 SM36-28 4.143-4.093W 7716- 14 9.40 9.30 M5.0 X 0.8 4.43-4.38 SIWB2-32 5.003-4.955W 1/2 - 12 10.70 10.50 M5.0 X 0.9 4.36-4.31 SM1/54-28 5.325-5.570W1 - 8 22.40 22.00 SM3/8-28 8.880-8.015W 1-1/8 - 7 25.00 24.80 W 1 - 1/4 - 7 28.30 28.00SM7/16-28 10.466-10.401 SM7/16-16 10.037-9.967SM1/2-20 11.819-11.749 SM9/26-20 13.400-13.425英制管螺纹 英制管螺纹 美制管螺纹规格 标准径 钻孔径 规格 标准径 有交牙部之长度（最小）中之毋螺牙内径 标准长度（最小）中之毋螺牙内径 规格 钻孔径 最大 最小 使用绞刀时 不用绞刀时 NPT NPS 使用绞刀时 不用绞刀时PS 1/16 - 28 6.50 6.632 6.490 PT 1/16 - 28 6.10 6.20 6.244 6.384 1/16 - 27 6.10 6.25 6.35 PS 1/8 - 28 8.508.637 8.495 PT 1/8 - 28 8.108.20 8.249 8.388 1/8 - 27 8.338.438.74PS 1/4 - 19 11.40 11.549 11.341 PT 1/4 - 19 10.70 11.00 10.962 11.174 1/4 - 18 10.72 11.13 11.13 PS 3/8-19 15.00 15.054 14.846PT 3/8 - 19 14.20 14.5014.448 14.658 3/8 - 18 14.27 14.27 14.68 PS 1/2 -14 18.50 18.773 18.489 PT 1/2 - 14 17.60 18.00 17.979 18.263 1/2 - 14 17.48 17.8618.26PS 3/4 -14 24.00 24.259 23.975 PT 3/4 - 14 23.0023.50 23.378 23.663 3/4 - 14 22.6323.01 23.42PS 1 - 11 30.20 30.471 30.111 PT 1- 11 29.00 29.50 29.459 29.822 1 - 11-1/2 28.58 28.9829.36PS 1-1/4 - 11 38.80 39.132 38.772 PT 1-1/4 - 11 37.50 38.0037.976 38.339 1-1/4-11-1/2 37.31 37.6938.10 PS 1-1/2 - 11 44.80 45.025 44.665 PT 1-1/2 - 11 43.40 44.00 43.869 44.232 1-1/2-11-1/2 43.6644.0444.45PS 2 - 11 56.50 56.836 56.476 PT 2 - 11 54.9055.5055.412 55.844 2 - 11 - 1/2 55.5855.96 56.36W 9/16 - 12 12.30 12.00 M6.0 X 1.0 5.30-5.25 SM/4-40 5.890-5.735 W 5/8 - 11 13.70 13.50 M7.0X 1.0 6.30-6.25 SM/14-28 5.721-5.366 W 3/4 - 10 16.70 16.50 M8.0X 1.0 7.28-7.23 SM93/2-28 6.508-6.648 W 7/8 - 9 19.50 19.30 M8.0X 1.25 7.12-7.07 SM1/132-28 8.092-8.432。
管螺丝攻牙钻孔经和滚造经对照表
标准经 规格 PT1/16-28 PT1/8-28 PT1/4-19 PT3/8-19 PT1/2-14 PT3/4-14 PT1--11 PT1-1/4-11 PT1-1/2-11 PT2--11
使用绞刀时 不用绞刀时
注：无槽沟死攻之钻孔经，在上表所列之 数值，由于被加工材料材质、硬度、形状 、尺寸等影响，多少会有秘变动，因此于 参考上表同时，亦请增减若干。
2级牙钻孔径 标准经 最大 最小 13.50 13.676 13.376 14.00 14.153 13.917 14.50 14.676 14.376 15.00 15.153 14.917 15.50 15.676 15.376 16.00 16.153 15.917 16.00 16.210 15.835 16.50 16.676 16.376 17.00 17.153 16.917 18.00 18.210 17.835 18.50 18.676 18.376 19.00 19.153 18.917 20.00 20.210 19.835 20.50 20.676 20.376 21.00 21.153 20.917 22.00 22.210 21.835 22.50 22.676 22.376 23.00 23.153 22.917 23.00 23.210 22.835 23.50 23.676 23.376 24.00 24.153 23.917 24.50 24.676 24.376 25.00 25.210 24.835 25.50 25.676 25.376 26.00 26.153 25.917 26.00 26.210 25.835 26.50 26.676 26.376 27.00 27.153 26.917 27.00 27.252 26.752 28.00 28.210 27.835 28.50 28.676 28.376 29.00 29.153 28.917 30.00 30.210 29.835 30.50 30.676 30.376 30.00 30.252 29.752 31.00 31.210 30.835 31.50 31.676 31.376 33.50 33.676 33.376 33.00 33.252 32.752 34.00 34.210 33.835 34.50 34.676 34.376
螺丝攻牙钻孔径和滚造径对照表
标准 径 1.25 1.55 1.85 2.10 2.40 2.70 2.90 3.50 4.10 4.60 5.50 6.90 8.50
2级牙钻孔径 最大 最小
1.305 1.182
1.612 1.474
1.912 1.756
2.197 2.025
2.458 2.271
2.740 2.551
注:迫牙丝攻之钻孔径,在上表所列之数值, 由于被加工材料之材质、硬度、形状、尺寸 等之影响，多少会有所变动，因此于参考上 表之同时，亦请增减若干。
美制粗螺纹
规格(unc) 螺丝牙外径
No.1-64(1.854) No.2-56(2.184) No.3-48(2.515) No.4-40(2.845) No.5-40(3.175) No.6-32(3.505)
标准 径
1.55 1.80 2.10 2.30 2.60 2.80
2级牙钻孔径 最大 最小
1.582 1.425 1.871 1.695 2.146 1.941 2.385 2.157 2.697 2.487 2.895 2.642
No.8-32(4.166) 3.40 3.530 3.302
M1.0×0.2 0.80 0.821 0.783
M1.7×0.35 1.35 1.421 1.321 M1.8×0.35 1.45 1.521 1.421
M2.0×0.4 1.60 1.679 1.567
M2.2×0.45 1.75 1.838 1.713 M2.3×0.40 1.90 1.979 1.867
M2.5×0.45 2.10 2.138 2.013 M2.6×0.45 2.20 2.238 2.113
12.20 12.446 11.989