Hot-Dip Galvanized Hex Nut M20 Handansenhong Metal Products Co., Ltd Base Info Model NO.:M20Material:Carbon SteelType:Hexagon HeadConnection:Common BoltHead Style:HexagonalStandard:DIN, GBGrade:8.8Trademark:XINSENHONGTransport Package:Pallet and CartonOrigin:Handan. China Description Pre:Camlock Coupling Type B Male Thread Joint Next:Stainless Steel Camlock Type C-Connector Joint