Mini CNC Engraving Machine is well suited for metal works, contain steel, brass and aluminium, etc. X.Y working size300mm×300mmZ working size90mm- (110mm if u needRotary device) The Max width of the workpiece400mm The Max length of the workpieceunlimitedSpeed of working0-4000mm/minSpeed of spindle6000-24000RMPSpindle power1500W (Water-Cooling Motor)Taper sleeve3.175mm(1/8"), 4mm (1/6") and 6mm (1 ...