Product information

An imperial single coil (rectangular section) washer also known as a spring lock washer, split lock or split ring washer in stainless steel A2 (304) manufactured to ANSI B18.21.1. Often used to prevent loosening of a fastener as a result of vibration, a spring washer has a split in the washer section that when tightened each side of the split bites into the mating nut and mounting surface.