The new cnc spindle, the machine tool spindle - a revolutionary pneumatic motor by Air Turbine spindle, produces high power under load. A high speed spindle which happens to be a machine tool spindle, is an air spindle with precision. Pneumatic air spindles for cnc milling and cnc machinery. The motor is a high speed, efficient, pneumatic motor.These pneumatic motors are for lathe, robot, machining, debarring, finishing, routing, drilling and milling; a very versatile fixture mount. Air Turbine also offers hand tools that are engraving tools, finishing tools, grinders, pencil tools, and marking tools. Air Turbine manufactures hand tools, grinders, pencil tools, debarring tools, finishing tools, which are all low vibration tools, precision tools, and ergonomic tools. These tools are performance tools, low weight tools, with an air turbine motor. Air Turbine motors require no oil, have no gears or vanes, for reliability. Made in USA.