DIN934 Grade 4.8 8.8 10.9 Hex Nut Hexgon Nut Zinc Plated Jiashan Longxin Standard Parts Factory Base Info Model NO.:DIN934Material:Carbon SteelType:Hexagon HeadConnection:Common BoltHead Style:HexagonalStandard:DIN, ANSI, GB, JIS, GOST, BSWGrade:8.8 Description Pre:Ductile Iron Fitting: Adptor Next:Stainless Steel Threaded Pipe Fittings