Coating Raw Material Coating Type Uncoated Zinc plated Zinc nickel Zinc flake coating grey Raw Material Steel 8.8 Steel 10.9 Steel 12.9 Stainless Steel A2 Stainless Steel A4 DDKdsKSM3631,72M4842,32,5M51052,83M61263,34M81684,45M1020105,56M1224126,58M1630167,510M2036208,512