The sparking drilling is use of digital control mechanism, which can effectively enhance the small size drilling and speed by stability.
EDM Hole Drilling uses an energized rotating tube electrode. Help you level of accuracy, reliability and productivity.
Small hole electrical discharge machining (EDM) drilling is employed to create openings in turbine blades, fuel injectors, coolant holes for cutting tools, hardened punch ejector holes, vent holes in plastic molds, starter holes for wire EDM, and various other applications.

This machine is listed for sale by Edge Machine Tools located in Prescott, Arizona