Hougen 12318 18MM X 25MM "12,000-Series" Annular Cutter doc-4 000-Series" cutters have a 3/4"

000-Series" cutters have a 3/4" diameter double-flatted shank

The Hougen split point quickly starts the hole and the double angled flutes increase penetration speed

000-Series Cutters are resharpenable

Required Collets for Tap Units (Not Included in Kit):

Hougen 12318 18MM X 25MM "12,000-Series" Annular Cutter doc-4 000-Series" cutters have a 3/4"Item 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