Standard Fastener Type: Bolt, screws, nuts, washer Standard: DIN, ANSI, JIS,BS Material: carbon steel,stainless steel,..... Standard FastenerType: Bolt, screws, nuts, washerStandard: DIN, ANSI, JIS,BSMaterial: carbon steel,stainless steel,alloy steel..... Grade: 4.6 - 10.9 Surface: Black, Zinc Plated, Yellow Zinc Plated,Dacroment Packing: bulk, box packing, Carton, Pallet We can supply almost all ...