40Cr Heavy Duty Wheel Bolts for Truck Crane

  40Cr heavy duty 10.9,12.9 wheel bolts for truck crane     Material Class 4.8 6.0 8.8 10.9 12.9 Specification Various head style and sizes per your request Surface Finishing Zn-Plated, Ni-plated, Tin-plated, Passivated, Sandblast and Anodize; Chromate, Polish, Electro Painting, Black Anodize, Plain, Chrome plated; Hot Deep Galvanize(H.D.G.) etc. Heat Treatment Tempering, Hardening, Spheroidizing, Stress Relieving. Standard ISO, DIN, GB, IFI, B.S. ART. Sample We could make sample within 7 days free of charge Lead time Per on order quantity Packing Boxs or pallet or customer…