Heavy-duty nuts for steel beams and frameworks-1/2"-13 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts

Diameter: 1/2"
Thickness: 7/16"
Material: Steel
Finish: Yellow Zinc
Driver Type: 3/4" Wrench
Thread Size: 13 (Coarse)
Style: Left Hand Thread
Type: Hex Nut

Box of 6.

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