BENCH TOP CNC MLLING MACHINE This is our upgraded machine now using a variable frequency drive running a 2.2kw er-20 spindle. The machine size has also been increased by 60% over our standard mcx3 to provide more rigidity. Mini cnc metal milling machine. Mini CNC Milling Machine with a 2.2Kw Spindle Extra Wide Cross Table. This machine uses a stand alone controller and ready to use out the box, simply plug your usb g code. Maximum Speed 12k or 24k. Minimum Speed 1000 RPM. Typical System Weight 500 Lb. Single-Phase 220 Vac, 20A breaker. Mini computer with Planet-cnc TNG milling software installed and pre-configure ready to run! C7 Double Nut Ball screws. Brushless high torque spindle motor.