d
5/16
3/8
1/2
5/8
Threads per inch
24
20
18
LT (min.)
28
32
38
45
H
7,9
9,5
12,7
15,9
A
11,1
14,2
19
22,2
J
7/32
Thread
Driving features Material
Class
Packaging
Code
UNF
hexagon St
12.9
Standard
07180