Product Name: Conveying Machine Pinions Model NO.: 294157 Type: Pinion Material: 20crmnti Toothed Portion Shape: Double Helical Gear Manufacturing Method: Shaving/Grinding Gear Position: Internal Gear Hardness: Hardened Tooth Surface Application: Machinery Transport Package: Wooden Case Specification: M2-M6 Origin: China Product Description We are specialized gear manufacturer. We mainly make parts according to customer's requirements and drawings. Our facilities include hobbing machine, gear shaver and grinding machine.