Ball Seat Bolt-Hex17mm (980C) Yangzhou Haina Auto Parts Manufacturing Co., Ltd. Base Info Model NO.:980CMaterial:Carbon SteelType:Hexagon HeadHead Style:HexagonalStandard:GBGrade:8.8Finish:PolishingOrigin:China Description Pre:Cone Seat Bolt-Hex19mm (972-09) Next:Cone Seat Bolt-Hex17mm (981-07)