... 40-100/min 4.CNC 110V PCB Milling Desktop Machine (300*300mm) Applications:Can be used for advertisement engraving, advertisement cutting ... :Specifications:1) Machine body: Whole cast aluminum/iron2) Work dimensions: 300*300mm,400*400mm,600*600mm3) Driver type: Stepper motor4) Z ... ) Blade diameter:3.175,4,6mm16) Control system: NCSTUDIO or DSP (USB interface)17) Command: G code, u00, mmg, plt18) Running ...