CarbideMax Ultra cutters are specifically designed for the toughest broaching jobs on the planet, including Hardox steel. Our ULTRA TCT Broach cutters are tipped with individually brazed cutting teeth of the highest quality carbide. They are designed with an elaborate cutting geometry which results in faster, quieter, easier drilling and chatter free performance. Individually brazed, highest quality carbide cutting teeth ULTRA coated for optimum performance & lifespan Advanced triple-cut geometry for faster, quieter drilling Chatter free performance when used correctlyFits any standard 19.05mm (3/4") weldon arbor magnet drill Up to 110mm depth of cut Standard 19.05mm (3/4") Weldon shank Use with high torque/slow speed, geared magnet drills