Please notice : this is not a full machine,it is only a frame for CNC milling machine!! Include the frame , linear guider,ball screw, Not include the motor and spindle!!It can be used for cutting steel iron ,copper,aluminum alloy,engraving and molding. This price for machine bed, only the frame,not include the spindle and the 4 axis device,aircylinder and the bracket! Specifications:DIY machine. 3 axis full new, can be arranged in 4 axis and 5 axis turntable, very convenient.1.TBI2005 C7 single ballscrew nut; 2.Hiwins 20 roller of heavy linear rails; 3. motor bracket can be installed 110mm NEMA 43 stepper or servo 1200W. 4.Spindle clamp diameter =90, BT30 spindle; Overall dimensions:Length: 800mm; Width: 800mm; Height: 900mm; T slot table size: 520*260mm; The effective stroke:X=300mm; Y=300mm; Z=300mm,Repeat positioning accuracy: 0.01mm; NET Weight about 290KG.