The LOCK WASHER SPLIT USS ZINC 7/16" GR 5 is crafted from high-quality zinc-coated steel, providing excellent corrosion resistance and durability. With a 7/16" diameter, this washer effectively prevents loosening of fasteners under vibration and load, making it ideal for use in automotive and industrial environments. Its split design ensures a secure grip, enhancing the reliability of connections in assemblies. Perfect for maintenance and repair tasks, this lock washer meets Grade 5 specifications for strength and performance.