The new BMS4040-MQL is part of the E-4000 Series. This is a 40mm Diameter, 40,000rpm, 1.6 Horsepower, .375" Collet Capacity with Coolant Thru Capability. Maximum Coolant Pressure is 500psi. It is available in a 40,000rpm or 20,000rpm configuration for higher torque at lower speeds. Dry air is used for cooling and purging purposes. Motor Power and Signal Cables are available in 4, 6 and 8 Meter lengths.The standard Controller Unit Interface makes communication with your CNC easy.