5/16"-18 Grade 2 Zinc Nylon Insert Lock Nut - 1 Count

These Lock Nuts are suitable for general purpose applications where heavy vibration is found and when a tight frictional fit is needed. Lock Nuts must be installed and removed with hand tools.
Features
Durable steel construction with zinc coating that provides a corrosion resistant finish
Nylon insert prevents backing off or loosening from vibration
Driver Type: 1/2" Wrench
Diameter: 5/16"
Thread Type: 18 (Coarse)
Hardness: Grade 2