Set screws thread fully into a component and are tightened against a shaft or mating part to prevent rotational or lateral movement, often without a visible head.

Diameter: 5/8"
Length: 5/8"
Material: Steel
Head Style: Headless (Hex)
Thread Size: 18 (Fine)
Thread Length: Full
Style: Socket
Type: Set Screw
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.