Washers with nuts for added security-3/8"-16 Zinc Grade 8 Blue Rinsed Hex Nuts (338 pcs.)

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.