300H00012 Double Cut Carbide Burs Flame Shape 1/4? 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 1/4 shank made from S45C Steel Made from solid carbide, offering the ideal combination of hardness & toughness for high speed applications Material - VHM Finish - Brt Type - Flame Shape Application - Steel Shank - 1/4"