Made of high-quality Material for high hardness, high abrasion resistance. The machining hardness can reach to HRC70.<br> Tungsten Carbide Burr Set, Diameter: 8-10mm, Shank Diameter: 6mm, overall Length: 150-160mm(. 6 inch)<br> Double cut rotating burrs, suitable for fine detail work on cast iron, cast steel, carbon steel, alloy steel, stainless steel, marble, jade, glass, wood and plaster.<br> Widely used for metalwork, tool making, model engineering, wood carving, jewelry making, metal processing, welding, chamfering, casting, deburring, grinding, .<br> Generally use with handheld electric or pneumatic tool drive (can also be used in machine tool). The speed of the electric or pneumatic tools usually is 6000-50000 revolutions per minute.<br> 4pcs Tungsten Carbide Rotary File Solid Carbide Rotary Burr Set Drill Grinding Cutter Tools Bits Set with 6 mm Shank and 6 mm Size for DIY Wood-working Carving, Metal Polishing, Engraving,<br> Drilling Features of Rotary Burr Bit: Used with handheld electric or pneumatic tool drive,for Die Grinder, Dremmel Tool or Rotary Drill.<br> Assorted shapes include: Tree shaped radius end, Cylindrical radius end, Ball shape, Taper shape with radius end. Ideal for metal working in mold and pattern making, die sinking, cleaning and maintenance.<br> Shank Diameter: 6mm<br> Cutting Diameter: 6mm<br> Total Length: 150-160mm(6 inch)<br> Colour:As shown<br> Material:Metal<br> Package Contents:<br> 4 * Carbide Rotary Burr<br> Only the above package content, other products are not included.<br> Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-DIMEANI official store