25 Jul 5/16″-18 Coarse Nyloc (Nylon Insert Locknut) NE Standard Zinc Plated
Fastener Type: Nyloc (Nylon Insert Locknut) NE Standard. Lock nuts resist loosening of the screw under vibration or force to prevent loosening from a bolted joint. Thread Pitch Type: Coarse. Finish: Zinc Plated....