CNCShop CNC Router Engraving Machine CNC Engraver 3 Axis 3040T Wood Carving Tools Controlled By Desktop Computer (3040T 3 Axis) Work table dimension:320mm*530mm;Carving depth: 55mm Leadscrew:1204 double thread Trapezoidal screws; Sliding units X/Y/Z axis:Dia.16mm/16mm /12mmchrome plate shafts Spindle motor knob is useful for small positioning adjustment, with steady and strong support structure. The chrome shafts is not easy to deform, suitable for long time use. This 3040T 3axis can engraving much more materials by spiral flute bits,such as metal, steel, MDF board, solid wood, composite board plywood, stone.