中国批发工业链轮齿轮带轮毂

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...