China Good quality Roller Chain Sprocket 16b Z20 Bore 8mm Pitch 1/2 1″ Hardened Teeth with Good quality โดย อีพี | เม.ย. 14, 2023 | แคตตาล็อกสินค้าProduct Description Transmission Set Chain Sprocket C45 Steel Roller Chain Kit MaterialSteel C45#/42CrMo4/Stainless SteelStructureSimplex,Duplex,TriplexModel NO.03B-32BTeeth Number8t-120tBore Diameter7.75mm-50mmPitch5mm-25.4mmSurface TreatmentAnodize, Zinc Plate,...
