d
Threads per inch
H
F
No.4
48
2,5
1/4
No.5
44
2,9
5/16
No.6
40
2.9
No.8
36
3,3
11/32
No.10
32
3/8
Thread
Driving features
Material
Class
Surface treatment
Packaging
Code
Page
UNF
hexagon
Br Cu3
Standard
47170
3-23
Free-cutting steel
6
Zipl
11750
