China best Custom SS304 Finished Bore Chain Drive Sprocket

Product Description  Product DescriptionDIN Standard Industrial SprocketBoreFinished bore, Precossing bore, Taper bore ColorNature steel or blackStandardANSI, DIN, ISOTypeSimplex, Duplex, TriplexSurface treatmentBlack oxide, Zinc platedHeat treatmentHigh Frenquency...