7/16″-20 Plain Steel Fine Thread Left Hand Hex Nuts (6 pcs.)
Diameter: 7/16″ Thickness: 3/8″ Material: Steel Finish: Plain Driver Type: 5/8″ Wrench Thread Size: 20 (Fine) Style: Left Hand Thread Type: Hex Nut Box of 6. Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.