Back Home / Fasteners / Washers / LOCK WASHER SPLIT USS ZINC 3/8″ HIGH ALLOY LOCK WASHER SPLIT USS ZINC 3/8″ HIGH ALLOY SKU: 8LW38 Categories: Fasteners, Washers A coiled, hardened split circular washer with a slightly trapezoidal wire section. Applies greater bolt tension per unit of applied torque. Provides a hardened bearing surface and more uniform load distribution. Steel, yellow zinc plated. Resists loosening caused by vibration and corrosion. For use with grade 8 bolts. Rockwell Hardness: C38-46 Inside Diameter: Min .377 Max .385 Outside Diameter: 0.68 Case Quantity: 100 Log In For Pricing