Patent ID: 7334969

Claim:
A method comprising: providing a drill motor unit including a drill bit; providing a drill nozzle including: a first section of a housing having a first open end and a second open end opposite from the first open end, the first open end and the second open end being terminal ends spaced apart along a first axis and defining an internal chamber therein, and wherein the first section includes an air intake and a first coolant inlet, a second section of the housing intersecting the first section and extending downward from the first axis, wherein the second section includes a vacuum tube being in connection with the internal chamber of the first section, and a bristle brush ring attached to the first section proximate to the first open end; attaching the drill nozzle to the drill motor unit; providing pressurized air to the air intake and creating a thrust-vectored down draft into the vacuum tube; touching a surface to be drilled with the bristle brush ring; providing coolant fluid through the first coolant inlet to expel the coolant fluid onto the drill bit; drilling a hole into the surface and generating drilling debris; and vacuum extracting the drilling debris through the vacuum tube.