Hougen 12542 42MM Annular Cutter 76MM Depth 12,000 Series M2 HSS Tap Drill Sizes They are made of hardened

They are made of hardened M2 high speed steel and are precision ground for excellent performance throughout the cut and long tool life

fully fluted design improves chip evacuation

Max Hardness: 275 BHN / 28

Tapping Kits are not recommended for use with swivel base drills

FOR HMD904 (HEX)

Hougen 12542 42MM Annular Cutter 76MM Depth 12,000 Series M2 HSS Tap Drill Sizes They are made of hardenedPilot Not Included Professional grade Hougen annular cutter engineered for fast, accurate holemaking in steel and alloy materials up to 275 BHN (28. 5 HRC). Manufactured from hardened M2 high speed steel with patented Hougen Edge geometry for smooth cutting, long tool life, and reduced horsepower requirements. Key Specifications Series: 12,000 Series Shank: 3 4" Double Flatted Weldon Material: Hardened M2 High Speed Steel (HSS) Max Hardness: 275 BHN