External Tooth Serrated Lock Washer

Strong fastening force: through its special external tooth design, the gasket can be closely matched with threaded latch or nut to provide additional fastening force for threaded connection and effectively prevent loosening and falling off connecting parts.

Good sealing performance: the outer edge of  washer is made into a gear shape, which can be automatically wound on surface of parts to exert a certain compressive stress, so as to prevent liquid or gas leakage.

Good durability: The washer is usually made of high strength materials, such as stainless steel, aluminum alloy, etc.,has good mechanical properties and corrosion resistance, can maintain stable performance.