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螺纹攻牙-钻孔直径对照表


英制管螺纹
规格
PS 1/16 - 28 PS PS PS PS PS PS 1/8 - 28 1/4 - 19 3/8 - 19 1/2 - 14 3/4 - 14 1 - 11
SM7/22 - ?
最小
1.452 1.695 1.941 2.157 2.487 2.642 3.302 3.683 4.344 4.979 6.401 7.798 9.144 10.592 11.989 11.386 16.307 19.177 21.971 24.638 27.813 30.353 33.528 38.964 44.679
螺 纹 攻 牙 钻 孔 径 和 滚 造 径 对 照 表.
******本表依据二级牙制订
公制粗螺 纹
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 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 标准径 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 二级牙钻孔径 最大 0.785 0.885 0.985 1.142 1.321 1.421 1.521 1.679 1.838 1.979 2.138 2.238 2.599 2.440 3.010 3.422 3.326 3.878 4.334 4.170 5.153 6.153 6.912 7.912 8.676 9.676 10.441 12.210 14.210 15.744 17.744 19.744 21.252 24.252 26.771 最小 0.729 0.829 0.929 1.075 1.221 1.321 1.421 1.567 1.713 1.867 2.013 2.113 2.459 2.280 2.850 3.242 3.106 3.688 4.134 3.930 4.917 5.917 6.647 7.647 8.375 9.376 10.106 11.835 13.835 15.294 17.294 19.294 20.752 23.752 26.211 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*3.0 M33*2.0 M33*1.5 M35*1.5 M36*3.0 M36*2.0 M36*1.5 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 33.50 33.00 34.00 34.50
钻孔径 硬材
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
G7-G8
.. .. .. .. .. 3.77 4.30 4.96 5.72 7.24 8.74 10.20 11.27 .. .. .. .. .. .. 4.43 5.04 5.90 7.41 9.00 10.48 12.07
公制细螺 纹
规格 标准径 二级牙钻孔径
最大 11.153 11.520 12.676 13.153 13.676 14.153 14.676 15.153 15.676 16.153 16.210 16.675 17.153 18.210 18.676 19.153 20.210 20.676 21.153 22.210 22.676 23.153 23.210 22.676 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 33.676 33.252 34.210 34.676 最小 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 23.376 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
பைடு நூலகம்
精度等级 G7-G8
0.88 0.98 1.08 1.25 1.43 1.53 1.63 1.80 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
精度等级 G1-G6
1.94 2.23 2.50 2.83 3.07 3.73 4.24 4.90 .. .. .. .. .. 1.97 2.27 2.56 2.86 3.16 3.78 4.39 4.99 5.85 7.36 .. .. ..
SM3/16 - 28
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 16.50 19.50 22.20 25.00 28.20 30.80 34.00 39.50 45.20
W1-1/8 -7 W1-1/4 -7
针车用螺纹
规格
SM1/8 SM1/8 - 40 - 44
滚造径
2.735-2.688 2.769-2.722 3.128-3.083 3.855-3.805 4.205-4.155 4.143-4.093 ? 5.325-5.570 5.890-5.735 5.721-5.366 6.508-6.648 8.092-8.432 8.880-8.015 10.466-10.401 10.037-9.957 11.319-11.749 13.400-13.425
公制迫牙丝攻钻孔径
规格 G1-G6
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 M3.5*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*1.25 0.86 0.96 1.06 1.24 1.41 1.51 1.61 1.78 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 11.31
标准径
6.50 8.50 11.40 15.00 18.50 24.00 30.20 38.80 44.80 56.50
钻孔径 最大
6.632 8.637 11.549 15.054 18.773 24.259 30.471 39.132 45.025 56.836
SM15/64 - 28 SM1/4 SM1/4 - 40 - 28
二级牙钻孔径 最大
1.582 1.871 2.146 2.385 2.697 2.895 3.530 3.962 4.597 5.257 6.731 8.153 9.550 11.023 12.446 12.868 18.840 19.761 22.606 25.349 28.524 31.115 34.290 39.827 45.593
英制螺纹
规格 G9
.. .. .. .. .. .. .. .. .. .. 8.81 10.30 11.82 .. .. .. .. .. .. .. .. .. .. .. 10.54 12.13 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 W1 -9 -8
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