#8-32 Zinc Plated Steel Coarse Thread Free Spinning Washer Nuts (50 pcs.)

Diameter: #8
Material: Steel
Finish: Zinc
Thread Size: 32 (Coarse)
Style: Free Spinning Washer
Type: Lock Nut

Box of 50.

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