5/16"-18 Zinc Plated Grade 2 Steel Coarse Thread Heavy Hex Nuts (24 pcs.)

Diameter: 5/16"
Diameter 2: 5/8"
Thickness: 19/64"
Material: Steel
Finish: Zinc
Driver Type: 9/16" Wrench
Thread Size: 18 (Coarse)
Hardness: Grade 2
Style: Heavy
Type: Hex Nut

Box of 24.

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