This flanged star washer is a manufacturer-sourced replacement part designed for use trimmers. It is also known as a tooth lock washer due to its serrated inner edge which resembles inward facing teeth. These teeth bite into the head of the fastener and provide a better grip than standard washers. This washer also has a flange on one side
...Read more which is a lip that extends past the edge of the washer. It helps to distribute the load of the fastener over a wider area to provide extra stability and a more secure hold. Over time the washer may wear down or become damaged. To remove the washer, first unthread the bolt/screw it is fastened on. Use pliers to grip the washer and gently twist it off. Place the new washer over the fastener with the teeth facing toward the surface being fastened and insert it into the designated hole. Ensure that it is locked into place. Each washer is sold individually.
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