... size:840x480x20mmMaterial6061 aluminium alloyStepper motor57 series, 2 phase, 3A new stepper motorsTransmission unit3 axis 1605 all new ball screws, and good ... speed50-3000mm/min according to the materialSpindle motor800W high speed stepper motor(water cooled),ER11 collet , run out <=0.02mmSpindle ... power 1500W, Dust collector, Rotary hot sale! high quality diy mini Desktop CNC Router CNC4060P