TDS-300 CR.559"diameter.Up to 96" effective drill stroke.40 Hp Spindle90 GPM coolant system.5 Micron filtration.750 Gallon total capacity coolant reservoir.Refrigerant type oil chiller.Counter rotating of the work-piece.Touch screen control station with programmable RPM, feed rate and depth. Full safety enclosure (Available in dual spindle versions.) Drill accurate holes as small as .500" diameter or up to .559" X 7" deep with this machine.