Technical data
d
Threads per inch
k
s
1/4
20
5
11
5/16
18
6
14
3/8
16
7
17
7/16
8
19
1/2
12
9
22
5/8
27
3/4
10
13
32
7/8
36
1.IN.
41
Thread
Driving features
Material
Class
Packaging
Code
BSW
hexagon
St
8.8
Standard
03400