... 2.Stepper motor,servo optional 3.800W water-cooled spindle 4.Accurcy:0.01mm/3m 5.CE certificate 400*300mm Stepper Motor ... 800W Metal CNC Router1.Application Area:Stone, Brass and Aluminum Processing, mold manufacturing, wood processing,craft manufacturing and so on. 2 ... Feeding height60mmCutting thickness of material<20mmDriver systemstepper motor,servo optionalBlade diameter3.175mm, 4mm, ...