Galvanized Welding Screw Pile with Flange for Solar Cangzhou Zhonghai Metal Products Co., Ltd. Base Info Model NO.:customedMaterial:Carbon SteelType:Countersunk HeadConnection:Common BoltHead Style:Counter Sunk BoltStandard:DIN, GBGrade:12.9Application:BuildingFinish:Hot GalvanizingOd:76 Description Pre:Thermostablity (-70C-300C) Rubber Flexible Pipe Connector Next:Cheap Customized/OEM Hex Flange Bolt/Screw with Collar Zp 8.8