公制粗螺纹 | |||
规格 | 标准径 | 2级牙钻孔径 | |
最大 | 最小 | ||
M1.0×0.25 | 0.75 | 0.785 | 0.729 |
M1.1×0.25 | 0.85 | 0.885 | 0.829 |
M1.2×0.25 | 0.95 | 0.985 | 0.985 |
M1.4×0.3 | 1.10 | 1.142 | 1.075 |
M1.6×0.35 | 1.25 | 1.321 | 1.221 |
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 |
M2.3×0.4 | 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 |
M3.0×0.5 | 2.50 | 2.599 | 2.459 |
M3.0×0.6 | 2.40 | 2.440 | 2.280 |
M3.5×0.6 | 2.90 | 3.010 | 2.850 |
M4.0×0.7 | 3.30 | 3.422 | 3.242 |
M4.0×0.75 | 3.25 | 3.326 | 3.106 |
M4.5×0.75 | 3.80 | 3.878 | 3.688 |
M5.0×0.8 | 4.20 | 4.334 | 4.134 |
M5.0×0.9 | 4.10 | 4.170 | 3.930 |
M6.0×1.0 | 5.00 | 5.153 | 4.917 |
M7.0×1.0 | 6.00 | 6.153 | 5.917 |
M8.0×1.25 | 6.80 | 6.912 | 6.647 |
M9.0×1.25 | 7.80 | 7.912 | 7.647 |
M10×1.5 | 8.50 | 8.676 | 8.376 |
M11×1.5 | 9.50 | 9.676 | 9.376 |
M12×1.75 | 10.30 | 10.441 | 10.106 |
M14×2.0 | 12.00 | 12.210 | 11.835 |
M16×2.0 | 14.00 | 14.210 | 13.835 |
M18×2.5 | 15.50 | 15.744 | 15.294 |
M20×2.5 | 17.50 | 17.744 | 17.294 |
M22×2.5 | 19.50 | 19.744 | 19.294 |
M24×3.0 | 21.00 | 21.252 | 20.752 |
M27×3.0 | 24.00 | 24.252 | 23.752 |
M30×3.5 | 26.50 | 26.771 | 26.211 |
