5/16"-18 316 Stainless Steel Coarse Thread Hex Nuts

Diameter: 5/16"
Diameter 2: 9/16"
Thickness: 17/64"
Material: Stainless Steel
Driver Type: 1/2" Wrench
Thread Size: 18 (Coarse)
Hardness: 316
Type: Hex Nut

Box of 20.

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