Diameter: 3/8"
Diameter 2: 21/32"
Thickness: 21/64"
Material: Steel
Finish: Blue Rinsed Zinc
Driver Type: 9/16" Wrench
Thread Size: 16 (Coarse)
Hardness: Grade 8
Type: Hex Nut
Box of 338.
Hex nuts are used to secure and fasten the threaded portion of most machine screws and bolts.