... develop many new Models following your drawingsteel u bolt,bolt and nuts,Wheel hub bolt,Auto tools manufacturer in China 1)Certification: ... Place of Origin:Hejian,China3)Brand Names: FUZHONG/wheel bolt Series4)High quality strength:grade8.8,9.8,10.95Diameter:10mm,12mm, ... thread9)Material:mild steel,1035steel,1045steel,5140steel,A3,45steel,40Cr10)Shape:round,round flat,half-round ,half-round flat.square, ...