Ribbed lock washers feature ridges on one side and are designed to anchor themselves into the clamped parts, as well as into the fastener or nut. It prevents the screw from loosening due to vibration. This washer is also intended to reduce the risk of embedment. Ribbed lock washers are a viable alternative to flat and split lock washers.
Clearance pricing is limited to current inventory in-stock. No backorders will be accepted at clearance price. Call 1-866-501-9504 for a quote.