Hougen 3-12278 2-7/16" X 3" "12,000-Series" Annular Cutter 12000 Series Pilots The blue colored foam allows

The blue colored foam allows you to

biodegradable cutting lubricant that yields a 10:1 ratio when mixed with water

They require less horsepower and thrust to cut

Tapered inner diameter provides a relief area between the slug & cutter to reduce horsepower & improve slug ejection

Hougen 3-12278 2-7/16" X 3" "12,000-Series" Annular Cutter 12000 Series Pilots The blue colored foam allowsItem 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