Products / Washers / Serrated Spring Washers

serrated lock washers, external teeth

Serrated washers DIN 6798 AJ, UNI 8842 AJ are designed to provide a stable and secure fastening, thanks to the double serrations that improve friction between the contact surface and the screw. These safety washers are ideal for applications in environments subject to vibration and mechanical stress, where it is essential to prevent the loosening of connections. Made of carbon steel, type AJ washers are corrosion-resistant, ensuring long service life and effective tightening even under difficult conditions. DIN 6798 AJ washers are mainly used in the automotive, mechanical and electronics industries, where secure and stable locking over time is crucial.