The LOCK WASHER SPLIT USS ZINC #4 GR 5 is engineered to provide reliable locking action to ensure secure connections in automotive and industrial applications. Made from high-quality zinc-coated steel, this washer resists corrosion and enhances durability. Its split design allows it to grip fasteners firmly, preventing loosening due to vibration. Suitable for use in assemblies requiring a robust fastening solution, this washer meets industry standards for strength and reliability.