1/2"-20 Plain Steel Fine Thread Left Hand Hex Nuts

Diameter: 1/2"
Thickness: 7/16"
Material: Steel
Finish: Plain
Driver Type: 3/4" Wrench
Thread Size: 20 (Fine)
Style: Left Hand Thread
Type: Hex Nut

Box of 10.

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