1/2"-13 x 1-1/2" Steel Coarse Thread Square Head Set Screws

Diameter: 1/2"
Length: 1-1/2"
Material: Steel
Head Style: Square (Square)
Thread Size: 13 (Coarse)
Thread Length: Full
Type: Set Screw

Box of 4.

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.