Patent ID: 7442128

Claim:
A ratchet driven tool for tapping a hole comprising: a thread cutting tap tool for cutting circumferential threads into wall of a hole, the tap tool comprising an elongated body having a thread cutting portion proximate a first end, a square drive head secured to an opposing second end, and a shank portion interposed between and joining the thread cutting portion and the square drive head; wherein the tap tool has a color selected according to type of thread the tool is adapted to cut, wherein a ESA tap tool has is red, a metric tap tool is white and a NPT tan tool is blue; an adaptive drive shank comprising: an elongated shank body having a tap shank receiving hole through a tap tool side of the body and two threaded holes through opposing sidewalls of the shank body and extending into the shank receiving hole, the threaded holes proximate an opposing driven end of the shank body, the receiving hole sized to receive the square drive head and shank portion of the tap tool body therein; two set screws, one for each threaded hole, the set screws sized and adapted to be threadably received into the threaded holes of the shank body, the screws compressively and frictionally engageable against the square drive head so as to positionally and rotationally lock the tap tool body of the drive shank; a hexagonal drive head having a precision hole for receiving a dowel pin, the hexagonal drive head secured to the driven end of the elongated shank body, the drive head sized and adapted to engage with and be driven by a hexagonal socket of a socket ratchet wrench, wherein the socket wrench provides leveraged torque to drive the tap tool to cut the circumferential threads, wherein the thread cutting tool is adapted for threading a hole proximate a tight corner, wall or other proximate obstruction, wherein the dowel pin is used to align the shank and tap tool and start the hole in a drill press after which the dowel pin is removed and socket wrench applied to finish tapping the hole.