d
Threads per inch
h
s
1/4
26
8,3
7/16
5/16
22
9,1
1/2
3/8
20
11,9
9/16
18
11/16
16
15,5
3/4
16,7
7/8
5/8
14
19,4
15/16
12
22,6
1.1/8
Thread
Driving features
Material
Class Surface treatment
Packaging
Code
BSF
hexagon
St
6 Zipl
Standard
12400