zinc plated Internal Lock Washer Open Tooth Type to Din6798J
The main purpose of serrated lock washers is to permit the flow of electric current
between components coated by varnish, anti-corrosive agents or similar materials, the
bent ends of the washers piercing the coating when such components are joined. For
such applications, the effectiveness of serrated lock washers shall be verified in accord
ance with the relevant DIN VDE Standards.
Where such washers are intended to keep fasteners of a low property class from work
ing loose, their effectiveness shall be checked for the application concerned.