Multi heads cnc router,1, 5 00 mm x 250 0 ... 80mm working size,ball screw drive mode,stepper drive motor Multi heads cnc router JCUT-1525-8 (51''x97'')Applications:Can ... ,or bigger1 8 ) Spindle speed: 0 - 24,000rpm /min1 9 ) Blade diameter: 3.175mm, 4mm, 6mm ( or 8mm,10mm,12mm, 12 ...