Quick change drill extender system

An extender apparatus for use with a rotary drive comprising;

• a. tool means comprising a selected tool for drilling a hole extending into a work piece;
• b. drive means for rotating a selected tool;
• c. successive coupling means for quick acting coupling without key comprising;
• i) drive coupler comprising a threaded adapter means at a first end for engaging said drive means and collet means positioned at an other end including a receptor cavity formed in a polygonal shape to receive a polygonal shaft including at least one recess element;
• ii) extender coupling means comprising collet means for successively mounting extender means on the drive coupler having a tubular body having a first end and second end comprising a polygonal shaft mounted at one end having at least one recess element adapted to be received by the collet means of the threaded adapter;
• iii) tool coupler means including collet means for mounting said tool means on said extender means comprising a quick disconnect collet coupler at the second end;
• and
• d) a receptor cavity formed in a polygonal shape to receive a polygonal shaft for interconnecting the tool extender with a selected tool for drilling/boring deep holes.