Hillman Hardened Steel Split Lock Washer - Hardened, zinc finish split lock washer prevents nuts and bolts from turning, slipping, and coming loose because of vibration and torque. - Nominal Size: 5/8", Material: Hardened Steel, Finish: Zinc, Pkg Qty: 25, Package Type: Box
This split lock washer provides a circular bearing surface with offset split ends which help bite into the mating material to provide a locking feature when tightened beneath a nut. It is round with a hole in the center and can be used where loosening from corrosion or vibration is a concern. Lock washers are commonly used in any application using a bolt where two pieces are being drawn together.