d
1/4
Threads per inch
26
LT (min.)
13
F
4,6
A
0.445
5/16
22
16
5,5
0.525
3/8
20
19
6,6
0.6
7/16
18
7,7
0.71
1/2
25,5
8,7
0.82
9/16
28,5
9,5
0.92
5/8
14
32
10,6
1.01
3/4
12
38
12,7
1.2
Thread
Drivingfeatures
Material
Class
Packaging
Code
BSF
hexagon
St
≥GradeR
Standard
03000