Hougen 12417 17MM X 50MM "12,000-Series" Annular Cutter doc-25 Hougen Step Drills allow the

Hougen Step Drills allow the convenience of drilling multiple size holes using one drill bit

DRILL-TWIST 1/4"DIA X 1/4" SHK

RotaFoam™ Cutting Fluid is an extremely heavy-duty

5 HRC) or gummy materials

Produces clean

Hougen 12417 17MM X 50MM "12,000-Series" Annular Cutter doc-25 Hougen Step Drills allow theItem 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