Champion Cutting Tool RotoBrute High Performance CT150-1-1/4 Carbide Tipped Annular Cutter (1-1/4 inch diameter x 1-3/8 inch depth of cut) RotoBrute Heavy Duty Carbide Tipped Annular Cutters are recommended for use in RotoBrute Magnetic Drill Presses. However, they can work in most magnetic drill press systems. Ideal for all steel fabrication, structural steel, and maintenance work. High Performance Carbide Tipped Annular Cutters Cut 2X Longer than standard high speed steel cutters and have the ability to easily cut through steel, stainless steel, and ultra hard/ exotic alloys Superior "Triple Edge" cutting system cuts smoother, bur-free holes than standard high speed steel annular cutters Cut faster and increase productivity due to ultra hard carbide teeth and positive slug ejection from pilot pin To be used with CT150P Pilot Pin (Sold separately)