Secure your fasteners with our External Tooth Lock Washers, designed to provide reliable locking action in mechanical assemblies. Crafted from durable steel and coated with a protective layer of zinc, these washers offer enhanced corrosion resistance for long-lasting performance. Compliant with DIN 6797A specifications, they feature an outside diameter of 20.5mm and a precise 1mm thickness, ideal for M12 hole sizes. The internal diameter of 13mm ensures a snug fit, while the external teeth grip onto surfaces securely, preventing loosening due to vibrations or movement. Trust in these RoHS-compliant washers for dependable locking solutions in your industrial applications.