It has a hex drive at one end and a cup-shaped indentation at the other end.
The cup point is the most used style set screw.
Rockwell hardness of C45-53.
Diameter: 5/16-18″
Length: 1″
A headless screw threaded the entire length. It has a hex drive at one end and a cup-shaped indentation at the other end. The cup point is the most used s