5/16"-18 Brass Coarse Thread Finished Hex Nuts HNB-067 (15 pcs.)

Diameter: 5/16"
Thickness: 9/32"
Material: Brass
Driver Type: 1/2" Wrench
Thread Size: 18 (Coarse)
Type: Hex Nut

Box of 15.

Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.