Hougen 12770 2-3/16" X 2" "12,000-Series" TiN Annular Cutter Step Drills 920 (5/8" Max

920 (5/8" Max

Cutting Diameter: 13/16"

DRILL-TWIST 5/16"DIA X 1/4"SHK

For materials up to 325 BHN (34

HMD914 and HMD925

Hougen 12770 2-3/16" X 2" "12,000-Series" TiN Annular Cutter Step Drills 920 (5/8" MaxItem Details For use with Hougen Portable Magnetic Drills and many competitive models on materials up to 325 BHN. They are made of M2 TiN Coated 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 geometry is