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…

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