M12 d. 13x20.5x1 ZINC Serrated lock washers internal teeth DIN 6798J
Firma Killich s.r.o. offers friction washers with external and internal toothing DIN 6798A, DIN 6798J. In the assortment of fan washers with external and internal toothing DIN 6798A, DIN 6798J, washers A2, A4, steel, galvanized, nickel-plated, bronze.
