2012 Thin Hex Nut DIN936 Haiyan Eric Hardware Co., Ltd. Base Info Model NO.:NUTS001Material:High Strength SteelType:Hexagon HeadConnection:Common BoltHead Style:HexagonalStandard:ANSIGrade:8.8 Description Pre:Double Metal Jacketed Gasket Next:Asme B16.5 Wn 3" Q235 Forged Flange