din 427
*all measurements in millimeters (mm)*
| d | b | n | t min. |
| m3 | 3.6 | 0.4 | 0.8 |
| m4 | 4.8 | 0.6 | 1.12 |
| m5 | 6 | 0.8 | 1.28 |
| m6 | 7.2 | 1 | 1.6 |
| m8 | 9.6 | 1.2 | 2 |
| m10 | 12 | 1.6 | 2.4 |
| m12 | 14 | 2 | 3.7 |
| m16 | 18 | 2.5 | 4.2 |
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