5/8"-18 Plain Steel Fine Thread Left Hand Hex Nuts

Diameter: 5/8"
Thickness: 35/64"
Material: Steel
Finish: Plain
Driver Type: 15/16" Wrench
Thread Size: 18 (Fine)
Style: Left Hand Thread
Type: Hex Nut

Box of 8.

Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.