螺丝攻牙钻孔径和滚丝径对照表(同名3775)
螺丝攻牙钻孔径和滚丝径对照表(同名3775)
12.446
11.989
M4.0X0.7
3.30
3.422
3.242
5/8-11
13.60
12.868
13.386
M4.0X0.75
3.25
3.326
3.106
3/4-10
16.50
18.840
16.307
M4.5X0.75
3.80
3.878
3.688
7/8-9
19.50
19.761
19.177
M1.8M.2
1.60
1.621
1.583
NO.6-40(3.505)
2.90
3.022
2.820
M2.0M.25
1.75
1.785
1.729
NO.8-36(4.166)
3.50
3.606
3.404
M2.2M.25
1.95
1.985
1.929
NO.10-32(4.826)
4.10
4.165
3.963
22.00
22.210
21.835
M24X 1.5
22.50
22.676
22.376
!
1
i
M24X 1.0
23.00
23.153
22.917
j j
M25X 2.0
23.00
23.210
22.835
M25X 1.5
23.50
23.676
23.376
s
M25X 1.0
24.00
24.153
23.917
!
M11X 0.75
螺纹孔径和滚造径对照表
本表所推选钻头孔径,是针对攻牙加工时,能够很容易的了解钻头直径;而依据市售之标准钻头所选定的.在使用钻头的情况下,由于钻头的形状及尺寸,精度,被钻孔之材质等 钻孔径,若有不当之处,应实际状况适当的变更钻头直径,本表依据2级牙制订.
制 精 螺
纹
规格
公 制 细 螺 纹
标准径 11.00 11.50 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 M12×1.0 M12×0.5 M14×1.5 M14×1.0 M15×1.5 M15×1.0 M16×1.5 M16×1.0 M17×1.5 M17×1.0 M18×2.0 M18×1.5 M18×1.0 M20×2.0 M20×1.5 M20×1.0 M20×2.0 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 M28×1.0 M30×3.0 M30×2.0 M30×1.5 M30×1.0 M32×2.0 2级牙钻孔径 最大 最小 11.153 10.917 11.520 11.4 12.676 12.376 13.153 12.917 13.676 13.376 14.153 13.917 14.676 14.376 15.153 14.917 15.676 15.376 16.153 15.917 16.210 15.835 16.670 16.376 17.153 16.917 18.210 17.835 18.676 18.376 19.153 18.917 20.210 19.835 20.676 20.376 21.153 20.917 22.210 21.835 22.676 22.376 23.153 22.917 23.210 22.835 23.676 23.376 24.153 23.917 24.676 24.376 25.210 24.835 25.676 25.376 26.153 25.917 26.210 25.835 26.676 26.376 27.153 26.917 27.252 26.752 28.210 27.835 28.676 28.376 29.153 28.917 30.210 29.835
螺丝攻牙钻孔底径对照表
3.17 3.62 4.56 5.45 6.45 7.31 9.18 9.31 11.04 11.31
ห้องสมุดไป่ตู้
3.2 3.65 4.6 5.5 6.5 7.38 9.25 9.38 11.12 11.38 3.69 4.64 5.55 6.55 7.44 9.32 9.44 11.21 11.44
No2 64UNF No3 - 56 No4 - 48 No5 - 44 No6 - 40 No8 - 36 No 10- 32 No 12 -28 1/4 28 5/16 3/8 24 7/16 20 1/2 -20
5.3 5.5 6.3 6.5 7 7.3 7.5 8 8.3 8.8 9 9.3 9.5 10 10.3 10.5 10.8
5.378 5.55 6.378 6.55 7.153 7.378 7.52 8.153 8.378 8.912 9.153 9.378 9.52 10.153 10.378 10.676 10.912
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
3.404 3.963 4.496 5.36 6.782 8.382 9.729 11.329 12.751 14.351 17.323 20.27 23.114 26.289 29.464 32.639 35.814
公制迫牙丝攻钻孔径
规格 精 度 等 级 G4-G6 G7-G8 G9
螺纹攻牙钻孔径和滚造径对照表
1.40 1.421 1.383 NO.4-48(2.845) 2.40
1.45 1.500 1.460 NO.5-44(3.175) 2.70
1.60 1.621 1.583 NO.6-40(3.505) 2.90
1.75 1.785 1.729 NO.8-36(4.166) 3.50
1.95 1.985 1.929 NO.10-32(4.826) 4.10
螺丝攻牙钻孔径和滚造径对照表
公制粗螺纹
标准径
2级牙钻孔径
最大
最小
0.75
0.785
0.729
0.85
0.8850.829来自0.950.985
0.985
1.10
1.142
1.075
1.25
1.321
1.221
1.35
1.421
1.321
1.45
1.521
1.421
1.60
1.679
1.567
1.75
1.838
2.05 2.061 2.001 NO.12-28(5.846) 4.60
2.20 2.221 2.121
1/4-28
5.50
2.20 2.246 2.186
5/16-24
6.90
2.70 2.721 2.621
3/8-24
8.50
3.20 3.221 3.121
7/16-20
9.90
3.50 3.599 3.459
螺丝攻牙钻孔径和滚造径对照表
公制细螺纹
美制细螺纹
标准径
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
螺丝攻牙孔径对照表
M12*1.0 M12*0.5 M14*1.5 M14*1.0 M15*1.5 M15*1.0 M16.1.5 M16*1.0 M17*1.5 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 M28*1.0 M30*3.0 M30*2.0 M30*1.5 M30*1.0 M32*2.0 M32*1.5 M33*1.0 M33*2.0 M33*1.5 M35*1.5 M36*3.0 M36*2.0 M36*1.5
10.917 11.400 12.376 12.917 13.376 13.917 14.376 14.917 15.376 15.917 15.835 16.976 16.917 17.835 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
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 9.90 11.50 12.90 14.50 17.50 20.50 23.20 26.50 29.50 32.80 36.00
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
螺丝攻牙孔径对照表
公制细螺纹
规格
M1.0*0.2 M1.1*0.2 M1.2*0.2 M1.4*0.2 M1.6*0.2 M1.7*0.2 M1.8*0.2 M2.0*0.25 M2.2*0.25 M2.3*0.25 M2.5*0.35 M2.6*0.35 M3.0*0.35 M3.5*0.35 M4.0*0.5 M4.5*0.5 M5.0*0.5 M5.5*0.5 M6.0*0.75 M6.0*0.5 M7.0*0.75 M7.0*0.5 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*1.50 M12*1.25
螺丝攻牙钻孔径和滚造径对照表
精度本有表很所 大的影
公制粗螺纹
公制细螺纹
公制迫牙丝攻钻孔径
规格
标准径
2级牙钻孔径
最大
最小
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
螺丝攻牙钻孔径和滚造径对照表
M1.0× 0.25 0.86 0.88 ── M1.1× 0.25 0.96 0.98 ── 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 2.25 2.28 ── M2.6× 0.45 2.35 2.38 ── M3.0× 0.5 2.73 2.75 ── M3.5× 0.6 3.17 3.20 ── M4.0× 0.7 3.62 3.65 3.69 M5.0× 0.8 4.56 4.60 4.64 M6.0× 1.0 5.45 5.50 5.55 M7.0× 1.0 6.45 6.50 6.55 M8.0× 1.25 7.31 7.38 7.44 M10× 1.5 9.18 9.25 9.32 M10× 1.25 9.31 9.38 9.44 M12× 1.75 11.04 11.12 11.21 M12× 1.25 11.31 11.38 11.44 注: 無槽溝絲攻之鑽孔徑，在上表所 列之數值，由於被加工材料之材 質、硬度、形狀、尺寸等之影響 ，多少會有所變動，因此於參考 上表之同時，亦請增減若干。
規
公 制 細 螺 紋 2級牙鑽孔徑 格 標準徑 最大 最小
11.00 11.50 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 11.153 11.520 12.676 13.153 13.676 14.153 14.676 15.153 15.676 16.153 16.210 16.676 17.153 18.210 18.676 19.153 20.210 20.676 21.153 22.210 22.676 23.153 23.210 23.676 24.153 24.676 25.210 25.676 26.153 26.210 26.676 27.153 27.252 28.210 28.676 29.153 30.210 30.676 30.252 31.210 31.676 10.917 11.400 12.376 12.917 13.376 13.917 14.376 14.917 15.376 15.917 15.835 16.376 16.917 17.835 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
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 0.729NO.1-64(1.854) 1.55 1.582 1.425M1.1×0.25 0.85 0.885 0.829NO.2-56(2.184) 1.80 1.871 1.695M1.2×0.25 0.95 0.985 0.985NO.3-48(2.515) 2.10 2.146 1.941M1.4×0.3 1.10 1.142 1.075NO.4-40(2.845) 2.30 2.385 2.157M1.6×0.35 1.25 1.321 1.221NO.5-40(3.175) 2.60 2.697 2.487M1.7×0.35 1.35 1.421 1.321NO.6-32(3.505) 2.80 2.895 2.642M1.8×0.35 1.45 1.521 1.421NO8-32(4.166) 3.40 3.53 3.302M2.0×0.4 1.60 1.679 1.567NO.10-24(4.826) 3.90 3.962 3.683M2.2×0.45 1.75 1.838 1.713NO.12-24(5.486) 4.50 4.597 4.344M2.3×0.4 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 22.2022.606 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 1.460NO.5-44(3.175) 2.70 2.740 2.551M1.8×0.2 1.60 1.621 1.583NO.6-40(3.505) 2.90 3.022 2.820M2.0×0.25 1.75 1.785 1.729NO.8-36(4.166) 3.50 3.606 3.404M2.2×0.25 1.95 1.985 1.929NO.10-32(4.826) 4.10 4.165 3.963M2.3×0.25 2.05 2.061 2.001NO.12-28(5.846) 4.60 4.724 4.496M2.5×0.35 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 1-1/4-1229.50 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 10.188M12×1.5 10.50 10.676 10.376M12×1.25 10.80 10.912 10.647M12×0.5 11.50 11.520 11.400 M14×1.5 12.50 12.676 12.376 M14×1.0 13.00 13.153 12.917 M15×1.5 13.50 13.676 13.376 M15×1.0 14.00 14.153 13.917 M16×1.5 14.50 14.676 14.376 M16×1.0 15.00 15.153 14.917 M17×1.5 15.50 15.676 15.376 M17×1.0 16.00 16.153 15.917 M18×2.0 16.00 16.210 15.835 M18×1.5 16.50 16.676 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 M20×1.0 19.00 19.153 18.917 M22×2.0 20.00 20.210 19.835 M22×1.5 20.50 20.676 20.376 M22×1.0 21.00 21.153 20.917M24×1.5 22.50 22.676 22.376 M24×1.0 23.00 23.153 22.917 M25×2.0 23.00 23.210 22.835 M25×1.5 23.50 23.676 23.376 M25×1.0 24.00 24.153 23.917 M26×1.5 24.50 24.676 24.376 M27×2.0 25.00 25.210 24.835 M27×1.5 25.50 25.676 25.376 M27×1.0 26.00 26.153 25.917 M28×2.0 26.00 26.210 25.835 M28×1.5 26.50 26.676 26.376 M28×1.0 27.00 27.153 26.917 M30×3.0 27.00 27.252 26.752 M30×2.0 28.00 28.210 27.835 M30×1.5 28.50 28.676 28.376 M30×1.0 29.00 29.153 28.917 M32×2.0 30.00 30.210 29.835 M32×1.5 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 －－－M1.8×0.35 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 8.81 M2.6×0.45 2.35 2.38 －7/16-14 －10.20 10.30M3.0×0.5 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 －－－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 4.394.43 －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 4.0-4.2 1/4 -32 5.60 5.690 5.486 3BA5/16 -32 7.10 7.264 7.087 4BA 3.0-3.2 3/8 -32 8.70 8.865 8.661 5BA 2.7-2.8 7/16 -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 2.63-2.60SM1/8-40 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 3.128-3.083W 1/4 - 20 5.10 5.00 M4.0×0.7 3.49-3.45 SM11/64-40 3.855-3.805W 5/16 - 18 6.60 6.50 M4.0×0.75 3.45-3.41 SM3/16-32 4.205-4.155W 3/8 - 16 8.00 7.90 M4.5×0.75 3.96-3.92 SM3/16-28 4.143-4.093W 7/16 - 14 9.40 9.30 M5.0×0.8 4.43-4.38 SM7/32-32 5.003-4.955W 1/2 - 12 10.70 10.50 M5.0×0.9 4.36-4.31 SM15/64-28 5.325-5.570W 9/16 - 12 12.30 12.00 M6.0×1.05.30-5.25 SM1/4-40 5.890-5.735W 5/8 - 11 13.70 13.50 M7.0×1.0 6.30-6.25 SM1/4-28 5.721-5.366W 3/4 - 10 16.70 16.50 M8.0×1.0 7.28-7.23 SM9/32-28 6.508-6.648W 7/8 - 9 19.50 19.30 M8.0×1.25 7.12-7.07 SM11/32-28 8.092-8.432W1 - 8 22.40 22.00 SM3/8-288.880-8.015W 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 11.819-11.749SM9/26-20 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 - 27 8.33 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 38.3391-1/4-11-1/2 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 44.2321-1/2-11-1/2 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。
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螺丝攻牙钻孔径和滚丝径对照 表(同名 3775)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 最大 最小规格（UNC）标准径2 级牙钻孔径 最大 最小M1.0×0.25 0.75 0.785 0.729 NO.1-64(1.854)1.55 1.582 1.425M1.1×0.25 0.85 0.885 0.829 NO.2-56(2.184)1.80 1.871 1.695M1.2×0.25 0.95 0.985 0.985 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 2.157M1.6×0.35 1.25 1.321 1.221 NO.5-40(3.175)2.60 2.697 2.487M1.7×0.35 1.35 1.421 1.321 NO.6-32(3.505)2.80 2.895 2.642M1.8×0.35 1.45 1.521 1.421 NO8-32(4.166)3.40 3.53 3.302M2.0×0.4 1.601.679 1.567 NO.10-24(4.826)3.903.962 3.683M2.2×0.45 1.751.838 1.713 NO.12-24(5.486)4.504.597 4.344M2.3×0.4 1.90 1.979 1.867 1/4-205.10 5.257 4.979M2.5×0.45 2.10 2.138 2.013 5/16-186.60 6.731 6.401M2.6×0.45 2.20 2.238 2.113 3/8-168.00 8.153 7.798M3.0×0.5 2.50 2.599 2.459 7/16-149.40 9.55 9.144M3.0×0.6 2.40 2.440 2.280 1/2-1310.80 11.023 10.592M3.5×0.6 2.90 3.010 2.850 9/16-1212.20 12.446 11.989M4.0×0.7 3.30 3.422 3.242 5/8-1113.60 12.868 13.386M4.0×0.75 3.25 3.326 3.106 3/4-1016.50 18.840 16.3072M4.5×0.75 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签名档：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 26.503.878 3.688 7/8-9 4.334 4.134 1 4.170 3.930 1-1/8-7 5.153 4.917 1-1/4-7 6.153 5.917 1-3/8-6 6.912 6.647 1-1/2-6 7.912 7.647 1-3/4-5 8.676 8.376 2-4-1/2 9.676 9.376 10.441 10.106 12.210 11.835 14.210 13.835 15.744 15.294 17.744 17.294 19.744 19.294 21.252 20.752 24.252 23.752 26.771 26.21119.50 22.20 25.00 28.20 30.80 34.00 39.50 45.2019.761 19.177 22.606 21.971 25.349 24.638 28.524 27.813 31.115 30.353 34.290 33.528 39.827 38.964 45.593 44.6793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 最大 最小规格（UNC）标准径2 级牙钻孔径 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 2.820M2.0×0.25 1.75 1.785 1.729 NO.8-36(4.166)3.50 3.606 3.404M2.2×0.25 1.95 1.985 1.929 NO.10-32(4.826)4.104.165 3.963M2.3×0.25 2.05 2.061 2.001 NO.12-28(5.846)4.604.724 4.496M2.5×0.35 2.20 2.221 2.121 1/4-285.50 5.588 5.360M2.6×0.35 2.20 2.246 2.186 5/16-246.90 7.035 6.782M3.0×0.35 2.70 2.721 2.621 3/8-248.50 8.636 8.382M3.5×0.35 3.20 3.221 3.121 7/16-209.90 10.033 9.729M4.0×0.5 3.50 3.599 3.459 1/2-2011.50 11.607 11.329M4.5×0.5 4.00 4.099 3.959 9/16-1812.90 13.081 12.751M5.0×0.5 4.50 4.599 4.459 5/8-1814.50 14.681 14.3514M5.5×0.5 5.00 M6.0×0.75 5.30 M6.0×0.5 5.50 M7.0×0.75 6.30 M7.0×0.5 6.50 M8.0×1.0 7.00 M8.0×0.75 7.30 M8.0×0.5 7.50 M9.0×1.0 8.00 M9.0×0.75 8.30 M10×1.25 8.80 M10×1.0 9.00 M10×0.75 9.30 M10×0.5 9.505.099 5.378 5.550 6.378 6.550 7.153 7.378 7.520 8.153 8.378 8.912 9.153 9.378 9.5204.959 5.188 5.400 6.188 6.400 6.917 7.188 7.400 7.917 8.188 8.647 8.917 9.188 9.4003/4-16 7/8-14 1-12 1-1/8-12 1-1/4-12 1-3/8-12 1-1/2-1217.50 20.50 23.20 26.50 29.50 32.80 36.0017.678 17.323 20.675 20.270 23.571 23.114 26.746 26.289 29.921 29.464 33.096 32.639 36.271 35.814螺丝攻牙钻孔径和滚丝径对照表规格 M11×1.0公制细螺纹标准径2 级牙钻孔径 最大 最小10.00 10.153 9.917美制细螺纹规格（UNC）标准径2 级牙钻孔径 最大 最小5M11×0.75 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 M17×1.5 M17×1.0 M18×2.0 M18×1.5 M18×1.0 M20×2.0 M20×1.5 M20×1.0 M22×2.0 M22×1.510.30 10.50 10.80 11.00 11.50 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 20.5010.378 10.188 10.676 10.376 10.912 10.647 11.153 10.917 11.520 11.400 12.676 12.376 13.153 12.917 13.676 13.376 14.153 13.917 14.676 14.376 15.153 14.917 15.676 15.376 16.153 15.917 16.210 15.835 16.676 16.376 17.153 16.917 18.210 17.835 18.676 18.376 19.153 18.917 20.210 19.835 20.676 20.3766M22×1.0 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 M28×1.0 M30×3.0 M30×2.0 M30×1.5 M30×1.0 M32×2.0 M32×1.5 M33×3.021.00 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 30.0021.153 20.917 22.210 21.835 22.676 22.376 23.153 22.917 23.210 22.835 23.676 23.376 24.153 23.917 24.676 24.376 25.210 24.835 25.676 25.376 26.153 25.917 26.210 25.835 26.676 26.376 27.153 26.917 27.252 26.752 28.210 27.835 28.676 28.376 29.153 28.917 30.210 29.835 30.676 30.376 30.252 29.7527M33×2.0 M33×1.5 M35×1.5 M36×3.0 M36×2.0 M36×1.5 签名档：31.00 31.50 33.50 33.00 34.00 34.5031.210 30.835 31.676 31.376 33.676 33.376 33.252 32.752 34.210 33.835 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 G4-G6 G7-G8 G9规格（UNC）精度等级 G4-G6 G7-G8 G9M1.0×0.25 0.860.88－ NO.2-56UNC1.94－－M1.1×0.25 0.960.98－ NO.3-482.23－－M1.2×0.25 1.061.08－ NO.4-402.50－－M1.4×0.31.241.25－NO.5-402.83－－M1.6×0.35 1.411.43－ NO.6-323.07－－M1.7×0.35 1.511.53－ NO.8-323.733.77－M1.8×0.35 1.611.63－ NO.10-244.244.3－8M2.0×0.4 M2.2×0.45 M2.3×0.4 M2.5×0.45 M2.6×0.45 M3.0×0.5 M3.5×0.6 M4.0×0.7 M5.0×0.8 M6.0×1.0 M7.0×1.0 M8.0×1.25 M10×1.5 M10×1.25 M12×1.75 M12×1.251.78 1.95 2.08 2.25 2.35 2.73 3.17 3.62 4.56 5.45 6.45 7.31 9.18 9.31 11.04 11.311.80 1.98 2.10 2.28 2.38 2.75 3.20 3.65 4.60 5.50 6.50 7.38 9.25 9.38 11.12 11.38－ NO.12-24 － 1/4-20 － 5/16-18 － 3/8-16 － 7/16-14 － 1/2-13 － NO.2-64UNF 3.69 NO.3-56 4.64 NO.4-48 5.55 NO.5-44 6.55 NO.6-40 7.44 NO.8-36 9.32 NO.10-32 9.44 NO.12-28 11.21 1/4-28 11.44 5/16-243/8-24 7/16-20 1/2-204.904.96－－5.72－－7.24－－8.748.81－10.20 10.30－11.27 11.821.97－－2.27－－2.56－－2.86－－3.16－－3.78－－4.394.43－4.995.04－5.855.90－7.367.41－－9.00－－10.48 10.54－12.07 12.13签名档：9规格NO.12-32 1/4 -32 5/16 -32 3/8 -32 7/16 -28 1/2 -28 9/16 -24 5/8 -24 3/4 -20 7/8 -20 1 -20 签名档：美制特细螺纹标准径2 级牙钻孔径最大最小4.704.8264.6235.605.6905.4867.107.2647.0878.708.8658.66110.2010.33810.13511.8011.93811.70913.2013.38613.13214.8014.98614.73217.8017.95817.67821.0021.13320.85324.0024.30824.028英制电器螺纹规格钻孔径2BA4.0-4.23BA4BA3.0-3.25BA2.7-2.86BA2.4-2.510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 硬材 软材规格滚丝径规格滚丝径W 1/8 - 402.65 2.60 M3×0.52.63-2.60 SM1/8-402.735-2.688W 5/32 - 323.25 3.20 M3.0×0.6 2.56-2.53 SM1/8-442.769-2.722W 3/16 - 243.75 3.70 M3.5×0.6 3.06-3.03 SM9/64-40 3.128-3.083W 1/4 - 205.10 5.00 M4.0×0.7 3.49-3.45 SM11/64-40 3.855-3.805W 5/16 - 186.60 6.50 M4.0×0.75 3.45-3.41 SM3/16-32 4.205-4.155W 3/8 - 168.00 7.90 M4.5×0.75 3.96-3.92 SM3/16-28 4.143-4.093W 7/16 - 149.40 9.30 M5.0×0.8 4.43-4.38 SM7/32-32 5.003-4.955W 1/2 - 1210.70 10.50 M5.0×0.9 4.36-4.31 SM15/64-28 5.325-5.570W 9/16 - 1212.30 12.00 M6.0×1.0 5.30-5.25 SM1/4-405.890-5.735W 5/8 - 1113.70 13.50 M7.0×1.0 6.30-6.25 SM1/4-285.721-5.366W 3/4 - 1016.70 16.50 M8.0×1.0 7.28-7.23 SM9/32-28 6.508-6.648W 7/8 - 919.50 19.30 M8.0×1.25 7.12-7.07 SM11/32-28 8.092-8.432W1 - 822.40 22.00SM3/8-288.880-8.015W 1-1/8 - 725.00 24.80SM7/16-28 10.466-10.401W 1 - 1/4 - 7 28.30 28.00SM7/16-16 10.037-9.96711SM1/2-20 SM9/26-2011.819-11.749 13.400-13.425签名档：英制管螺纹英制管螺纹美制管螺纹规格钻孔径标准 径 最大 最小规格标准径 有交 标准牙部 长度之长 （最使用 不用 度（最 小）中绞刀 绞刀 小）中 之毋时 时 之毋 螺牙螺牙 内径内径规格钻孔径 NPT使用 不用 NPS绞刀 绞刀 时时PS 1/16 -PT 1/16 -6.50 6.632 6.4906.10 6.20 6.244 6.384 1/16 - 2728286.10 6.25 6.35PS 1/8 -PT 1/8 -8.50 8.637 8.4958.10 8.20 8.249 8.388 1/8 - 2728288.33 8.43 8.7412PS 1/4 -PT 1/4 -11.40 11.54911.34110.70 11.00 10.962 11.174 1/4 - 18191910.7211.13 11.13PS 3/8 -PT 3/8 -15.00 15.05414.84614.20 14.50 14.448 14.658 3/8 - 18191914.2714.27 14.68PS 1/2 -PT 1/2 -18.50 18.77318.48917.60 18.00 17.979 18.263 1/2 - 14141417.4817.86 18.26PS 3/4PT 3/4 -24.00 24.25923.97523.00 23.50 23.378 23.663 3/4 - 14-141422.6323.01 23.42PS 1 - 11 30.20 30.47130.111 PT 1- 11 29.00 29.50 29.459 29.822 1 - 11-1/2 28.5828.98 29.36PS 1-1/4PT 1-1/438.80 39.13238.77237.50 38.00 37.976 38.339 1-1/4-11-1/237.3137.69 38.10- 11- 11PS 1-1/2PT 1-1/244.80 45.02544.66543.40 44.00 43.869 44.232 1-1/2-11-1/243.6644.04 44.45- 11- 11PS 2 - 11 56.50 56.83656.476 PT 2 - 11 54.90 55.50 55.412 55.844 2 - 11 - 1/2 55.5855.96 56.36签名档：13英制螺纹螺母孔径英制螺圆 拄管纹螺纹螺纹直径 （英寸）每英寸 牙数钻头直径螺纹直钻头直（毫米）每英寸径（英径（毫铸铁、黄 钢、可锻牙数寸）米）铜、青铜 铸铁3/16243.83.91/8 288.81/4205.15.21/4 1911.75/16186.66.73/8 1915.23/81688.11/2 1418.91/21210.6 10.7 3/4 1424.45/81113.6 13.8 11130.63/41016.616.811/41139.27/8919.519.713/81141.61822.322.511/21145.111/872525.211/4728.2 28.411/263434.213/4539.5 39.7241/245.3 45.614。