- 中山螺丝
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DIN 479 
*All measurements in millimeters (mm)*
| d | z | e | s | d2 | k |
| M6 | 1.5 | 8 | 6 | 4 | 6 |
| M8 | 2 | 10 | 8 | 5.5 | 8 |
| M10 | 2.5 | 13 | 10 | 7 | 10 |
| M12 | 3 | 17 | 13 | 8.5 | 12 |
| M16 | 4 | 21 | 16 | 12 | 16 |
| M20 | 4 | 28 | 22 | 15 | 20 |
All information is strictly informative