Utoolmart Tungsten Carbide Rotary Files 3mm Shank Double Cut Top Toothed Conical Shape Rotary Burrs Tool 3mm Dia for Die Grinder Drill Bit Wood Soft Metal Carving Polishing 1pcs

Product Features: ?Tungsten Carbide burrs can be processed cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum and other metals, and marble, jade, bone and other non-metallic. Processing hardness up to HRC58-60. ?It can replace the petiole small wheel without dust pollution, and process out a various of high-precision mold cavity. High production efficiency, the processing efficiency is several times higher than file, nearly 10 times higher than small wheel stalk. ?Suitable for woodworkers and enthusiasts who clean up welds or works with metal frequently. Easy to grasp and use. Unique tooth angle prevents chipping. ?Mainly used for grinding channel impeller, cleaning tubes, finishing mechanical internal surface, enlarging holes, processing and engraving metal non-metal materials.