d
Threads per inch
H
F
1/4
20
4
7/16
5/16
18
4,8
1/2
3/8
16
5,6
9/16
14
6,4
11/16
13
7,9
3/4
5/8
11
9,5
15/16
10
10,7
1.1/8
7/8
9
12,3
1.5/16
1.IN.
8
13,9
1.1/2
7
18,3
1.11/16
1.1/4
1.7/8
6
21,4
2.1/4
Thread
Material
Class
Surface treatment
Packaging
Code
UNC
Free-cutting steel
04
Zipl
Standard
11840