The original drill annular cutter from which all others are measured. "12,000-Series" cutters for Hougen's line of portable mag drills are available in M2 HSS, TiN coated M2 HSS and Modified "12,000-Series" TiN coated Premium M42 HSS in sizes 7/16" thru 2- 3/8" (12mm – 60mm) diameter and 1 to 6" (25mm – 150mm) depth of cut.
