This Servo KT-2514S-09 has 20mm shafts, antibacklash nuts, wider 19 inch material capacity. Use the accurate machine to cut thin aluminum, plastics, and wood. The anti-backlash nut and the .200" pitch leadscrews provide accurate resolutions and is great for fine inlay work. The .200" pitch and high torque servo combo also provides great mechanical advantage when cutting hard woods and have been tested to cut .375" deep, at 70IPM, with a .375" diameter bit. With the right approach in your toolpaths, spindle, bits, accessories you can achieve results in milling that once required a $50,000 and more cnc machine. With the KT-2514S-09 you now can do this in your own garage, business, or anywhere with 110V outlet.