Legend:
l – length of bolt
d – the nominal diameter of the thread
k – head height
t – groove depth
dk – head diameter
a – length undercut
(A) – groove
da – diameter of the screw shank
Makings:
Steel: 4.8, 5.8
Stainless: A2
Plastic: –
Non Ferrous: –
Thread: 6g
Table according to ISO 14580:
thread D | M2 | M2,5 | M3 | M4 | M5 | M6 | M8 | M10 |
a max. | 0,8 | 0,9 | 1 | 1,4 | 1,6 | 2 | 2,5 | 3 |
b min. | 25 | 25 | 25 | 38 | 38 | 38 | 38 | 38 |
dk max. | 3,62 | 4,32 | 5,32 | 6,78 | 8,28 | 9,78 | 12,73 | 15,73 |
da max. | 2,6 | 3,1 | 3,6 | 4,7 | 5,7 | 6,8 | 9,2 | 11,2 |
k max. | 1,55 | 1,85 | 2,4 | 3,1 | 3,65 | 4,4 | 5,8 | 6,9 |
TORX | 6 | 8 | 10 | 20 | 25 | 30 | 45 | 50 |
A | 1,75 | 2,4 | 2,8 | 3,95 | 4,5 | 5,6 | 7,95 | 8,95 |
t max. | 0,84 | 0,91 | 1,27 | 1,66 | 1,91 | 2,29 | 3,05 | 3,43 |