Hillman No. 6 in. D Zinc-Plated Steel Split Lock Washer 30 pk

Designed to help prevent loosening caused by corrosion or vibration, The Hillman Group 6 inch Zinc-Plated Steel Split Lock Washers feature a circular bearing surface with offset split ends that bite into the mating material, offering a locking feature when tightened underneath a nut. The washers are constructed from steel and plated with zinc for durability.