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Legend:
b – length of the thread (at least)
l – length of bolt
k – head height
e – the diameter of the circumscribed circle (not less than)
s – size hex head turnkey
Makings:
Steel: 4.8-5.8-6.8
Stainless: A2
Plastic: –
Non Ferrous: –
Thread: as DIN 7998
Table according to DIN 571:
| Thread | 4 | 5 | 6 | ||||||||
| ds | nominal size max. | 4 | 5 | 6 | |||||||
| min. | 3,52 | 4,52 | 5,52 | ||||||||
| da | max. | 5 | 6 | 7,2 | |||||||
| k | nominal size | 2,8 | 3,5 | 4 | |||||||
| max. | 3,1 | 3,88 | 4,38 | ||||||||
| min. | 2,5 | 3,13 | 3,63 | ||||||||
| s | nominal size | 7 | 8 | 10 | |||||||
| max. | 7 | 8 | 10 | ||||||||
| min. | 6,64 | 7,64 | 9,64 | ||||||||
| e | min. | 7,5 | 8,63 | 10,89 | |||||||
| l | weight kg/1000pcs | ||||||||||
