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

Description

Diameter: 5/8″
Diameter 2: 1-1/16″
Thickness: 13/32″
Material: Steel
Finish: Zinc
Driver Type: 15/16″ Wrench
Thread Size: 11 (Coarse)
Hardness: Grade 2
Style: Thin Pattern Nylon Insert
Type: Lock Nut

Box of 5.

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