9/16″-12 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

Description

Diameter: 9/16″
Diameter 2: 1″
Thickness: 21/32″
Material: Steel
Finish: Zinc
Driver Type: 7/8″ Wrench
Thread Size: 12 (Coarse)
Hardness: Grade 2
Style: Nylon Insert
Type: Lock Nut

Box of 8.

A lock nut is a nut that resists loosening under vibrations and torque.