5/16"-18 Zinc Plated Steel Coarse Thread Left Hand Hex Nuts HNS-185 (8 pcs.)

Diameter: 5/16"
Thickness: 17/64"
Material: Steel
Finish: Yellow Zinc
Driver Type: 1/2" Wrench
Thread Size: 18 (Coarse)
Style: Left Hand Thread
Type: Hex Nut

Box of 8.

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