5/16"-18 18-8 Stainless Steel Coarse Thread Thin Pattern Lock Nuts (10 pcs.)

Diameter: 5/16"
Diameter 2: 9/16"
Thickness: 1/4"
Material: Stainless Steel
Driver Type: 1/2" Wrench
Thread Size: 18 (Coarse)
Hardness: 18-8
Style: Thin Pattern
Type: Lock Nut

Box of 10.

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