1.non-standard parts. 2.strictly quality control. 3.11 years OEM manufacturer. Item NO. warm gear shaftsMaterialsIron, aluminum, steel, copper, plastic, carbon steel, nylon, bronze, solder alloy, HSS, tool steels, or as per the customers’ requirements.DimensionsAccording to customer’s drawingSurface treatmentHeat treatment, polishing, PVD/CVD coating, galvanized, electroplating, spraying, and ...