Diameter: 5/16"
Diameter 2: 9/16"
Thickness: 9/32"
Material: Stainless Steel
Driver Type: 1/2" Wrench
Thread Size: 24 (Fine)
Hardness: 18-8
Type: Hex Nut
Box of 16.
Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.