Diameter: 1/4"
Diameter 2: 1/2"
Thickness: 7/32"
Material: Stainless Steel
Driver Type: 7/16" Wrench
Thread Size: 20 (Coarse)
Hardness: 316
Type: Hex Nut

Box of 25.

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