5/8″-11 Zinc Plated Grade 2 Steel Coarse Thread Nylon Insert Lock Nuts

Description

Diameter: 5/8″
Diameter 2: 1-7/32″
Thickness: 49/64″
Material: Steel
Finish: Zinc
Driver Type: 15/16″ Wrench
Thread Size: 11 (Coarse)
Hardness: Grade 2
Style: Nylon Insert
Type: Lock Nut

Box of 6.

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