Mild Steel Star Washer Tooth Washer, 2 mm, 0.5 mm

Star or tooth washers are used to prevent nuts and bolts from loosening due to vibration or torque by using their internal or external teeth to grip the mating surfaces. They are also used to create an electrical connection between components or to provide a more even load distribution. These washers are commonly found in applications like automotive, machinery, and construction where a secure, long-lasting connection is critical.