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中山DIN 6916 钢结构高强度螺栓连接—圆垫圈 标准查询
DIN 6916 
*All measurements in millimeters (mm)*
| d | used for | d1 | h | c | e approx. |
| 13 | M12 | 24 | 3 | 1.6 | 0.5 |
| 17 | M16 | 30 | 4 | 1.6 | 1 |
| 21 | M20 | 37 | 4 | 2 | 1 |
| 23 | M22 | 39 | 4 | 2 | 1 |
| 25 | M24 | 44 | 4 | 2 | 1 |
| 28 | M27 | 50 | 5 | 2.5 | 1 |
| 31 | M30 | 56 | 5 | 2.5 | 1 |
| 37 | M36 | 66 | 6 | 3 | 1.5 |
All information is strictly informative