A4 Stainless SteelDIN 912ISO 4762 Click Here for Technical Data SheetM20 Socket Cap Screws, A4 Stainless SteelLengthSelectQuantity1 pcQuantityContact Us to PurchaseAlso available in these materials 8.8 Steel 12.9 Steel A2 Stainless Steel Nylon Also available these finishes Black Zinc Zinc Flake Variations Also available vented (slotted or center) in A2 Stailess Steel