1/4"-20 Zinc Plated Grade 2 Steel Coarse Thread Heavy Hex Nuts (28 pcs.)

Diameter: 1/4"
Diameter 2: 9/16"
Thickness: 15/64"
Material: Steel
Finish: Zinc
Driver Type: 1/2" Wrench
Thread Size: 20 (Coarse)
Hardness: Grade 2
Style: Heavy
Type: Hex Nut

Box of 28.

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