Wheel bolt,auto part,Wheel hub bolt,hub bolt with nut1.MaterialMild steel,1045steel,5040steel,40cr.2.Grade8.8 grade,10.9 grade,12.9 grade3.FinishingBake paint,Black Oxide,Zinc Plated,Phosphate,Electricphoresis,Dacromet,ect.4.PackingInner packing:plastic bagOuter packing:Standed export cartonYour...