Hougen 12427 27MM X 50MM "12,000-Series" Annular Cutter Step Drills 000-Series" cutters have a 3/4"

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

RotaMagic™ Super Concentrated Cutting Fluid is water soluble

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

These kits let you drill pipe and tubing with a minimum 3" diameter and some convex surfaces

Hougen Part #: 12126

Hougen 12427 27MM X 50MM "12,000-Series" Annular Cutter Step Drills 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