5/8 -18 x 5/8 Steel Fine Thread Hex Socket Headless Set Screws SSSS-452

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.