© milii
公制粗牙螺纹攻牙底孔直径推荐范围
| 螺纹规格 |
螺距 P (mm) |
推荐底孔直径范围 (mm) |
| M1.0 |
0.25 |
~ 0.70 – 0.80 |
| M1.2 |
0.25 |
~ 0.90 – 1.00 |
| M1.4 |
0.30 |
~ 1.05 – 1.15 |
| M1.6 |
0.35 |
~ 1.20 – 1.30 |
| M1.8 |
0.35 |
~ 1.40 – 1.55 |
| M2.0 |
0.40 |
~ 1.55 – 1.70 |
| M2.5 |
0.45 |
~ 1.95 – 2.15 |
| M3.0 |
0.50 |
~ 2.40 – 2.60 |
| M3.5 |
0.60 |
~ 2.80 – 3.00 |
| M4.0 |
0.70 |
~ 3.15 – 3.45 |
| M5.0 |
0.80 |
~ 4.10 – 4.30 |
| M6.0 |
1.00 |
~ 4.90 – 5.10 |
| M8.0 |
1.25 |
~ 6.60 – 6.90 |
| M10 |
1.50 |
~ 8.30 – 8.70 |
| M12 |
1.75 |
~ 9.80 – 10.40 |
| M14 |
2.00 |
~ 11.80 – 12.20 |
| M16 |
2.00 |
~ 13.75 – 14.25 |
| M18 |
2.50 |
~ 15.20 – 15.80 |
| M20 |
2.50 |
~ 17.20 – 17.80 |
| M22 |
2.50 |
~ 19.20 – 19.80 |
| M24 |
3.00 |
~ 20.50 – 21.50 |