DIN933 Hexagon Head Bolt Material: Carbon Steel,Stainless steel Surface:Plain,Black,Zinc Plated Grade:4.8-10.9 Size:M6-M70 DIN933 Hexagon Head Bolt Standard: DIN, ANSI, JIS, BSMaterial:Carbon Steel, Stainless steelSurface: Plain,Black,Zinc PlatedSize:M6-M70Length: According To The Customers' RequirementsPackage: Box, or bulk In Carton; PalletCustomerized Package Acceptable