XCAN 10pcs Carbide Rotary Burr 3mm Shank 6mm Diameter Single Cut C Type Rotary File Milling Bit Features: 1. In a great part of the work, it can replace the petiole small wheel, and no dust pollution. 2. High production efficiency, the processing efficiency is several times higher than file, nearly 10 times higher than small wheel stalk. 3. High product processing quality, high finish, can process out a various of high-precision mold cavity. 4. Suitable for processing these metal and non-metal, such as cast iron, cast steel, bearing steel, high carbon steel, chrome-nickel alloy, bronze, brass, and ceramic tile, marble, jade, bone, etc. Specifications: Material: Tungsten carbide Flute: Single Cut Type: C Diameter: 6mm Shank Diameter: 3mm Length：50mm Package Included: 3x6mm Carbide Rotary Burr