Duplex Bulge Acorn Stainless Steel Nut (19231) Yangzhou Haina Auto Parts Manufacturing Co., Ltd. Base Info Model NO.:19231Material:Carbon SteelType:Pan HeadHead Style:HexagonalStandard:GBGrade:8.8Origin:China Description Pre:Duplex Bulge Acorn Stainless Steel Capped Nut (7802SS) Next:Duplex Bulge Acorn Stainless Steel Capped Nut (192395)