7/8″-9 Zinc Plated Grade 8 Steel Coarse Thread Nylon Insert Lock Nuts

Description

Diameter: 7/8″
Diameter 2: 1-7/16″
Thickness: 1″
Material: Steel
Finish: Yellow Zinc
Driver Type: 1-5/16″ Wrench
Thread Size: 9 (Coarse)
Hardness: Grade 8
Style: Nylon Insert
Type: Lock Nut

Box of 3.

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