Hougen 12437 37MM X 50MM "12,000-Series" Annular Cutter doc-25 000-Series" cutters have a 3/4"

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

920 (5/8" Max

DRILL-TWIST 1/2"DIA X 1/4" SHK

(24) SLICK-STIK MINI LUBE 1

Hougen 12437 37MM X 50MM "12,000-Series" Annular Cutter doc-25 000-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