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Legend:
l – length of bolt
d – the nominal diameter of the thread
k – head height
dk – head diameter
Makings:
Steel: hardened steel
Stainless: –
Plastic: –
Table according to DIN 7516:
| d | M 2,5 | M 3 | M 4 | M 5 | M 6 | M 8 |
| k max. | 1,5 | 1,65 | 2,2 | 2,5 | 3 | 4 |
| f | 0,6 | 0,75 | 1 | 1,25 | 1,5 | 2 |
| d2 | 4,7 | 5,6 | 7,5 | 9,2 | 11 | 14,5 |
| m | 2,8 | 3,1 | 4,5 | 5,3 | 6,8 | 9 |
| Bit-PH | 1 | 1 | 2 | 2 | 3 | 4 |
