• Champion RotoBrute Tungsten Carbide Tipped Annular Cutters maximizes the power and cutting performance of any portable or stationary drill press.
• Ultra hard carbide teeth permit faster cutting even in tough materials and shapes and cuts clean, bur free holes
• Precision pilot pins eject the center as a plug of steel
• Cuts cast iron, steel and ultra hard or exotic alloys, stainless steel and aluminum
• Champion RotoBrute Tungsten Carbide Tipped Annular Cutters superior "Triple Edge" cutting action outperforms ordinary HSS annular cutters and twist drills 6:1