7/8″-9 18-8 Stainless Steel Coarse Thread Nylon Insert Lock Nuts PM785159169081

Description

Diameter: 7/8″
Diameter 2: 1-7/16″
Thickness: 1″
Material: Stainless Steel
Driver Type: 1-5/16″ Wrench
Thread Size: 9 (Coarse)
Hardness: 18-8
Style: Waxed Nylon Insert
Type: Lock Nut

Box of 3.

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