Coating Raw Material Coating Type Zinc plated Black zinc plated Raw Material Hardened steel Stainless Steel A2 Stainless Steel A4 D dpmax.DKFK 2,90,7/1,92,35,50,71,713,50,7/2,252,87,30,82,3523,90,7/2,43,180,92,524,21,75/3,03,68,412,624,81,75/4,44,19,31,22,82