... 2. u flash disk DSP control system 3.high speed stepper motor 1.Whole steel structure, imported square orbit, Greman ballscrew for ... spindle, ,4. dust cover, Auto oiling,5.Adopt high speed stepper motor6.10 cutters(φ3.175 φ6, φ12.7), 2 collets7 ... . high speed stepper motorStandard package:1. Water pump 1 piece 2.Control card ...