Hillman Split Lock Washer #6 is designed to provide a secure locking feature with its circular bearing surface and offset split ends that bite into the mating material when tightened beneath a nut. This round washer, featuring a hole in the center, is i for applications where loosening due to corrosion or vibration is a concern. It is commonly used in any situation involving bolts where two pieces need to be firmly drawn together, ensuring stability and reliability in your assembly.