Hillman Split Lock Washer 0 is designed to provide a reliable locking feature when tightened beneath a nut. This split lock washer features a circular bearing surface with offset split ends that effectively bite into the mating material, preventing loosening due to corrosion or vibration. Its round shape with a hole in the center makes it i for applications where secure fastening is essential. Commonly used in any situation where two pieces are being drawn together with a bolt, this lock washer ensures stability and durability in your assembly. Model Number: