Legend:
b – length of the thread (at least)
l – length of bolt
d – the nominal diameter of the thread
k – head height
n – groove width
dk – head diameter
Makings:
Steel: steel
Stainless: A2
Plastic: –
Table according to DIN 96:
d | 2,5 | 3 | 3,5 | 4 | 4,5 | 5 | 6 | |||
k | 1,7 | 2,1 | 2,4 | 2,8 | 3,1 | 3,5 | 4,2 | |||
dk | 5 | 6 | 7 | 8 | 9 | 10 | 12 | |||
t min. | 0,85 | 1,05 | 1,2 | 1,4 | 1,55 | 1,75 | 2,1 | |||
t max. | 1,1 | 1,35 | 1,6 | 1,8 | 2 | 2,3 | 2,7 | |||
n | 0,6 | 0,8 | 0,8 | 1 | 1 | 1,2 | 1,6 |