DIN558-1987 六角头螺栓C级标准
C级六角头螺栓
执行标准：DIN558-1987
| 公称直径 d | 螺距 P | k | s | ||
| max | min | max | min | ||
| M5 | 0.8 | 3.88 | 3.12 | 8 | 7.64 |
| M6 | 1 | 4.38 | 3. 62 | 10 | 9.64 |
| M8 | 1.25 | 5.68 | 4. 92 | 13 | 12.57 |
| M10 | 1.5 | 6.85 | 5. 95 | 17 | 16.57 |
| M12 | 1.75 | 7.95 | 7.05 | 19 | 18.48 |
| M16 | 2 | 10.75 | 9. 25 | 24 | 23.16 |
| M20 | 2.5 | 13.4 | 11.8 | 30 | 29.16 |
| M24 | 3 | 15.9 | 14.1 | 36 | 35 |
| M30 | 3.5 | 19.75 | 17.65 | 46 | 45 |
| M36 | 4 | 23.55 | 21.45 | 55 | 53.8 |