d
Threads per inch
F
A
No.10
32
3
5/16
1/4
28
4
7/16
24
5,2
1/2
3/8
6
9/16
20
7,1
5/8
7,9
3/4
18
9,1
13/16
9,9
15/16
16
11,9
1.1./8
7/8
14
13,9
1.5/16
1.IN.-12G
12
15,5
1.1/2
Thread
Driving features
Material
Class
Surface treatment
Packaging
Code
Page
UNF
hexagon
St
Grade 5
Standard
02010
1-50
Zipl
02130
1-51
St.St. A2
51017