Hex-Socket Head Cap Screw Shanghai Chuantu Industrial Fastener Co, Ltd. Base Info Model NO.:XG-001Material:High Strength SteelType:Hex-Socket HeadConnection:Common BoltHead Style:Counter Sunk BoltStandard:DIN, GB, ANSI, BSWGrade:8.8 Description Pre:Hex Coupling Nut Next:12.9 Grade Alloy Steel Hexsocket Head Cap Screw