... 1.Working area:400*300mm 2.Stepper motor,servo optional 3.800W water ... 3m 5.CE certificate 400*300mm Stepper Motor 800W Metal CNC Router1.Application Area:Stone, ... wood processing,craft manufacturing and so on. 2. Main parameterModelSD-40JMachine bodyWhole iron ,strong and ... . Feeding height60mmCutting thickness of material<20mmDriver systemstepper motor,servo optionalBlade diameter3.175mm, 4mm, 6mm ( ...