Hexagon Bolt Standard:DIN931,DIN933;ANSI,JIS,etc Material: Carbon Steel,Copper,Stainless Steel Hexagon BoltStandard:DIN931,DIN933;ANSI,JIS,etcMaterial: Carbon Steel(Galvanized, Self-color,Hot Dipped Galvanized),Copper,Stainless Steel(200\201\301\304\316)Size: M4 to M30Grade: 4.8,8.8Packing: Bulk or Small box then in pallet.We also could produce special products according to customer drawing or ...