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DIN 7989 钢结构用平垫 标准查询
DIN 7989 
*All measurements in millimeters (mm)*
| d | used for | d1 | s |
| 11 | M10 | 21 | 8 |
| 14 | M12 | 24 | 8 |
| 18 | M16 | 30 | 8 |
| 22 | M20 | 37 | 8 |
| 26 | M24 | 44 | 8 |
| 30 | M27 | 50 | 8 |
| 33 | M30 | 56 | 8 |
All information is strictly informative