Dremel 9911 Tungsten Carbide Carving Bit

Shapes, smooths or grinds especially hard materials including: hardened steel, stainless steel, cast iron, nonferrous metals, fired ceramics, plastics and hard woodsA high-speed bit made of tungsten carbide, the hardest material next to diamondsUse higher speeds for hard woods, slower speeds for metals and very slow speeds for plasticsUse the sides of the bit (Rather than the tip) for effective cutting