螺纹公称直径(d) | 螺距 (P) | 螺纹内径 | 推荐钻头直径(d0) | 备 注 | |||
最大 | 最小 | ||||||
M5 | 粗 | 0.8 | 4.334 | 4.134 | 4.20 | M20×2 | |
细 | 0.5 | 4.599 | 4.459 | 4.50 | |||
M6 | 粗 | 1 | 5.118 | 4.918 | 5.00 | ||
细 | 0.75 | 5.378 | 5.118 | 5.20 | |||
M8 | 粗 | 1.25 | 6.887 | 6.7 | 6.70 | M24×2 | |
细 | 1 0.75 | 7.118 7.378 | 6.918 7.118 | 7.00 7.20 | |||
M10 | 粗 | 1.5 | 8.626 | 8.376 | 8.50 | ||
细 | 1.25 1 0.75 | 8.867 9.118 9.378 | 8.7 8.918 9.118 | 8.70 9.00 9.20 | |||
M12 | 粗 | 1.75 | 10.386 | 10.106 | 10.20 | ||
细 | 1.5 1.25 1 | 10.626 10.867 11.118 | 10.376 10.7 10.918 | 10.50 10.70 11.00 | |||
M16 | 粗 | 2 | 14.135 | 13.835 | 13.90 | ||
细 | 1.5 1.0 | 14.626 15.118 | 14.376 14.918 | 14.50 15.00 | |||
M20 | 粗 | 2.5 | 17.634 | 17.294 | 17.40 | ||
细 | 2 1.5 1 | 18.135 18.626 19.118 | 17.835 18.376 18.918 | 17.90 18.50 19.00 |
螺纹公称直径(d) | 螺距 (P) | 螺纹内径 | 推荐钻头直径(d0) | ||
最大 | 最小 | ||||
M5 | 粗 | 0.8 | 4.334 | 4.134 | 4.20 |
M6 | 粗 | 1 | 5.118 | 4.918 | 5.00 |
M8 | 粗 | 1.25 | 6.887 | 6.7 | 6.70 |
M10 | 粗 | 1.5 | 8.626 | 8.376 | 8.50 |
M12 | 粗 | 1.75 | 10.386 | 10.106 | 10.20 |
M16 | 粗 | 2 | 14.135 | 13.835 | 14.00 |
M20 | 粗 | 2.5 | 17.634 | 17.294 | 17.50 |