din 404
*all measurements in millimeters (mm)*
| d | b | d1 | k | d2 | n | t max. |
| m3 | 19 | 5.5 | 4 | 1.5 | 0.8 | 1.25 |
| m4 | 22 | 7 | 5 | 2 | 1 | 1.5 |
| m5 | 25 | 8.5 | 6.5 | 2.5 | 1.2 | 2 |
| m6 | 28 | 10 | 8 | 3 | 1.6 | 2.6 |
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