7/16"-20 x 1/2" Steel Fine Thread Hex Socket Headless Set Screws

Diameter: 7/16"
Length: 1/2"
Material: Steel
Head Style: Headless (Hex)
Thread Size: 20 (Fine)
Thread Length: Full
Type: Set Screw

Box of 8.

A set screw is a type of screw generally used to secure an object within or against another object, normally not using a nut. The most common examples are securing a pulley or gear to a shaft.