We stock a multitude of different Solid Carbide Burrs with varying sizes, shapes, cuts and lengths. Utilizes a precise, straight, 1/4" shank in a 2" length Double cut burrs are general purpose and will make a small controllable cut that is suitable for cast iron or aluminum cut burrs are for soft, non-ferrous Metals or non-Metals and are great for removing large amounts of material very quickly.