wheel bolt 1.material:mild steel,45#steel,40Cr 2.surface: ... :M12-M32 4.grade:8.8,10.9 wheel bolt, high strength wheel hub bolt, wheel bolt, tyre bolt Certificate: ISO9001:2000High quality strengthen ... carton box fastened with pallet Satisfactory services:We can produce wheel bolts as per your drawing and/samples.We can supply ...