Hougen 12439 39MM X 50MM "12,000-Series" Annular Cutter 12000 Series Cutter Kits Requires less horsepower and thrust

Requires less horsepower and thrust than traditional holemaking

Only a thin area of material touches the outside of the hole which provides for less friction and a better hole finish

Manufactured from hardened M2 high-speed steel with patented Hougen-Edge® geometry for smooth cutting

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

Hougen 12439 39MM X 50MM "12,000-Series" Annular Cutter 12000 Series Cutter Kits Requires less horsepower and thrustItem 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