9/16"-12 Zinc Grade 2 Heavy Hex Nuts (131 pcs.)

Diameter: 9/16"
Diameter 2: 1-1/16"
Thickness: 35/64"
Material: Steel
Finish: Zinc
Driver Type: 7/8" Wrench
Thread Size: 12 (Coarse)
Hardness: Grade 2
Style: Heavy
Type: Hex Nut

Box of 131.

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