... after heat treatment is Grade 10.9 45 Steel after heat treatment is Grade 8.84—Finishing: ... Hejian,China3)Brand Names: FUZHONG/wheel bolt Series4)High quality strength:grade8.8,9.8,10.95Diameter: ... .0mm8)Thread :UNF / metric thread9)Material:mild steel,1035steel,1045steel,5140steel,A3,45steel,40Cr10)Shape:round,round ... OUR PRODUCT:WORK SHOP:PACKING PHOTO: High tensile Hub/Wheel Bolt for Nissan with Nut