Service life is long, 10 times higher than the durability of high speed steel cutter, 200 times more than the small wheel durability. Prevent scraps flying at work, please use safety glasses. 6mm Head Tungsten Carbde Burr Rotary Burrs Bt 6mm Shank For De Grnder | eBay The process of various metal and nonmetal sculpture. Impeller passage of finishing processing. Convenient control, using simple, safe and reliable, reduce labor intensity, improve the working environment. Uses: Cleaning trimming, veining and weld joint of casting, forging and weldment. Specification: Material: tungsten carbide Cutting edge diameter: 8mm Shank diameter: 6mm Shank length: 40mm Total length: 50-60mm Tips: Must be clamped during using. The speed of the electric or pneumatic tools usually is 6000-50000 revolutions per minute. A variety of mechanical parts chamfer, round and groove processing. For the most work it can be replaced with small grinding wheel, and no dust pollution. Fraise Dentaire 6mm A-TYPE Head Tungsten Carbide Rotary File Tool Point Burr Die Grinder Abrasive Tools Drill Milling Carving Bit Tool For Metal Fraise Dremel Cutting way is better with conventional milling to avoid reciprocating feeding.