DIN 912ISO 4762Master Assortment Kits are Available. Click HereClick Here for Technical Data SheetSocket Cap ScrewsQuantityContact Us to PurchaseAvailable Materials 8.8 Steel 12.9 Steel A2 Stainless Steel A4 Stainless Steel Nylon Available Finishes Black Oxide Zinc Zinc Flake Variations Also available vented (slotted or center) in A2 Stailess Steel