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DIN 571-六角头木螺钉 标准查询
DIN 571 
b = Minimum length of thread 0.61
*All measurements in millimeters (mm)*
| d | s | e | k |
| M5 | 8 | 8.63 | 3.5 |
| M6 | 10 | 10.89 | 4 |
| M8 | 13 | 14.20 | 5.5 |
| M10 | 17 | 18.72 | 7 |
| M12 | 19 | 20.88 | 8 |
| M16 | 24 | 26.17 | 10 |
All information is strictly informative