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Legend:
d1 – the nominal diameter of the thread
k – head height
d2 – head diameter
t – groove depth
L – length of bolt
A – groove
Makings:
Steel: steel – ISO 2702
Stainless: –
Plastic: –
Non Ferrous: –
Thread: thread ISO 1478
Table according to ISO 14585:
| D1 | ST2,9 | ST3,5 | ST4,2 | ST4,8 | ST5,5 | ST6,3 |
| d2 max. | 5,6 | 7 | 8 | 9,5 | 11 | 12 |
| k max. | 2,4 | 2,6 | 3,1 | 3,7 | 4 | 4,6 |
| TORX | 10 | 15 | 20 | 25 | 25 | 30 |
| (A) | 2,8 | 3,35 | 3,95 | 4,5 | 4,5 | 5,6 |
| t max. | 1,27 | 1,4 | 1,8 | 2,03 | 2,03 | 2,42 |
