10pcs Carbide Burr Set Hard Alloy Tungsten Steel Double Cut Rotary File Milling Cutter Head Woodworking Grinding Carvin About this item _x000D_ Premium Material:Made of high quality tungsten steel, can be used to process: iron, steel, carbon steel, alloy steel, stainless steel, copper, aluminum and other metals, and marble, jade, other non-metals. Processing hardness up to HRA≥85. Great Work Efficiency:Using these rotary burr set with a rotary tool, the processing efficiency is ten times higher than the manual file tool. The rotary burr set can take place of the small grinding wheel with the handle, producing less dust or pollution. Wide compatibility:Tungsten steel grinding head is widely used in industrial sectors such as machinery, aviation, automobile, shipbuilding, chemical engineering and process engraving, Suitable for engraving, beveling, chamfering, grooving, reaming, hollow. Durable:This grinding head is easy to use, safe and reliable. Durability is ten times higher than high-speed steel tools and more than 200 times higher than the small grinding wheels. User Friendly:The 10pcs metal rotary burr set comes in a neat carrying case for easy access and convenient storage, no need to organize always keep neat. _x000D_ _x000D_ Carbide Burr Set Compatible with Dremel 1/8" Shank 10PCS Die Grinder Rotary Tool Rasp Bits Wood Metal Carving Electric Grinding _x000D_ _x000D_ _x000D_