Back Home / Fasteners / Washers / LOCK WASHER SPLIT METRIC ZINC M3 LOCK WASHER SPLIT METRIC ZINC M3 SKU: LW3M 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, zinc plated. Resists loosening caused by vibration and corrosion. For use with metric bolts and screws. Rockwell Hardness: C44-51 Inside Diameter: Min 3.1 Max 3.4 Outside Diameter: 6.2 Case Quantity: 100 Log In For Pricing