9/16"-18 Zinc Plated Grade 2 Steel Fine Thread Finished Hex Nuts (6 pcs.)

Diameter: 9/16"
Thickness: 31/64"
Material: Steel
Finish: Zinc
Driver Type: 7/8" Wrench
Thread Size: 18 (Fine)
Hardness: Grade 2
Type: Hex Nut

Box of 6.

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