Dual alternating tooth geometry allows MILWAUKEE’s Tungsten Carbide Tipped Annular Cutters to displace material quicker and give the user fast, burr-free holes in anything from sheet metal to steel plate. Carbide tipping allows for versatile cutting in mild and hardened steel materials and can cut up to 35% longer than the competition. It comes with a 3/4" Weldon shank, which is the industry standard for most small magnetic drill presses and can be used in large magnetic drill presses with the correct arbor