Hougen 3-18268 2-1/8" X 3" Copperhead Carbide Tip Annular Cutter kit Cobalt is harder than high

Cobalt is harder than high speed steel and provides better wear resistance

Hougen® 1174 RotaFoam™ Cutting Fluid - 17oz Can

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

Lightweight

Hougen 3-18268 2-1/8" X 3" Copperhead Carbide Tip Annular Cutter kit Cobalt is harder than highItem Details Hougen Copperhead Carbide Tip Cutters offer extended tool life on abrasive, tough to cut materials and in high speed mag drills such as the HMD906. The unique Hougen design includes a special tooth geometry that helps maintain a better chip flow than other brands.