Hougen 12011 31/64" X 2" "12,000-Series" Annular Cutter Step Drills and last much longer than

and last much longer than traditional holemaking methods

Hougen Part #: 12122

easy to install design incorporates a planetary gear reverse with a 1:1 ratio

Hougen Part #: 12130

Hougen 12011 31/64" X 2" "12,000-Series" Annular Cutter Step Drills and last much longer thanItem Details For use with Hougen Portable Magnetic Drills and many competitive models on materials up to 275 BHN (28. 5 HRC). They are made of hardened M2 high speed steel and are precision ground for excellent performance throughout the cut and long tool life. They require less horsepower and thrust to cut, and last much longer than traditional holemaking methods. "12,000 Series" cutters have a 3 4" diameter double flatted shank. Modified end tooth