918TR10206 - Double Cut Carbide Burs Tree Shape Radius End 6mm Shank P&N Workshop Double Cut Carbide Burs are suitable for shaping or forming metal. For use in air & electric die grinders. The double cut bur allows for rapid stock removal in harder materials. The chisel tooth pattern not only minimises tool chatter but reduces the chip to a granular shape in most materials. Double cut burs for rapid stock removal in harder materials 6mm shank made from S45C Steel Made from solid carbide, offering the ideal combination of hardness & toughness for high speed applications