External Tooth Lockwasher, 5/16" Diameter, Zinc Coated with Chromate Finish

This external tooth lockwasher is designed for use in applications requiring a secure and reliable fastening solution. With a 5/16" diameter, it is ideal for providing resistance against loosening due to vibration and other forces. The zinc coating with a chromate finish offers enhanced corrosion resistance, making it suitable for both indoor and outdoor use. The external teeth grip the surface of the material being fastened, ensuring a tight hold and reducing the risk of slippage.