1/2″-20 Chrome Plated Grade 5 Steel Fine Thread Hex Nuts (10 pcs.)
Diameter: 1/2″ Thickness: 7/16″ Material: Steel Finish: Chrome Driver Type: 3/4″ Wrench Thread Size: 20 (Fine) Hardness: Grade 5 Type: Hex Nut Box of 10. Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.