Hougen 12142 1-5/16" X 1" "12,000-Series" Annular Cutter Step Drills Kits quickly attach to your

Kits quickly attach to your Hougen Magnetic Drill and positive non-slip positioning assures centered hole location

fully fluted design improves chip evacuation

Chain mount for models HMD904

and reduced horsepower requirements

EXTENDER-ARBOR 1" ASSY

Hougen 12142 1-5/16" X 1" "12,000-Series" Annular Cutter Step Drills Kits quickly attach to yourItem 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