d
Threads per inch
F
A
1/4
26
4,6
0.445
5/16
22
5,5
0.525
3/8
20
6,6
0.6
1/2
16
8,7
0.82
Thread
Drivingfeatures
Material
Class
Packaging
Code
BSF
hexagon
St
≥GradeR
Standard
03010