cutting machine (6136/500),lathe chuck,turning lathe CNC lathe with reliable quality, good precision and high-performance CNC lathe machine ,lathe chuck, ... shield.3.Guide rails of ultrasonic frequency induction quenching,resulting in long life.3.Precise ball leadscrew.4.Rapid clamper, ... trough,bore ream,make kinds of screw thread. (2).Fit for auto and mobile part, valve, electric tool, hardware meter ...