5/8″-18 Plain Steel Fine Thread Left Hand Hex Nuts (3 pcs.)
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 3. Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.