5/16"-18 x 1" Steel Coarse Thread Slotted Headless Set ScrewsType: Set Screws
Head Style: Headless (Slotted)
Thread Size: 18 (Coarse)
Thread Length: Full
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.