din 553
*all measurements in millimeters (mm)*
| d | d1 max | n | t min |
| m3 | 0.3 | 0.4 | 0.8 |
| m4 | 0.4 | 0.6 | 1.12 |
| m5 | 0.5 | 0.8 | 1.28 |
| m6 | 1.5 | 1 | 1.6 |
| m8 | 2 | 1.2 | 2 |
| m10 | 2.5 | 1.6 | 2.4 |
| m12 | 3 | 2 | 2.8 |
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