... guide,stepper motor,DSP wood,acrylic,plastic,MDF,PVC,leather mini cnc routerTechnical ParameterModel SD-M3030 advertising cnc routerMachine size 420 ... stepperWorking delicacy 0.005mmRepositioning accuracy 0.025mmWorking voltage AC220V/50HZCommand code G codeComputer interface USB 2.0Collet 3.175mm, 4mm, 6mmSoftware ...