... -tank CNC Engraver 1200*1200mm 2.linear guidway and ballscrew Mach 3 CNC machine PCB drilling machineSpecifications:Machine body: Whole cast ... , 4mm, 6mm (or 8mm, 10mm, 12mm, 12.7mm)Control system:MACH 3Command: G code, u00, mmg, pltWater tank is essential for ...