5/16″-24 Zinc Plated Grade 2 Steel Fine Thread Finished Hex Nuts (30 pcs.)
Diameter: 5/16″ Thickness: 17/64″ Material: Steel Finish: Zinc Driver Type: 1/2″ Wrench Thread Size: 24 (Fine) Hardness: Grade 2 Type: Hex Nut Box of 30. Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.