3/8″-16 Nylon Plastic Coarse Thread Hex Nuts (15 pcs.)
Diameter: 3/8″ Thickness: 11/32″ Material: Nylon Driver Type: 9/16″ Wrench Thread Size: 16 (Coarse) Type: Hex Nut Box of 15. Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.