Rotary File, Rotary Bit Set, Port and Polish Kit Cylinder Head Aluminum Porting Kit 6Pcs Tungsten Carbide Aluminum Rotary Files Burr Set 6Mm Shank 10Mm Cutting Diameter with High Abrasion Resistance

These burrs are made of tungsten carbide aluminum for high hardness, high abrasion resistance There are total 6 pieces burrs in various shapes that you can use for many purposes 6mm round shank would fit many electric powered or pneumatic powered tools Could cut cast iron, cast steel, carbon steel, alloy steel, stainless steel, copper, aluminum, marble, jade, bone, etc Widely used for carving, shaping and for the removal of sharp edges or corners, burrs and excess material Product Description Specifications: Material: Tungsten carbide aluminum Shank Diameter: 6mm Cutting Diameter: 10mm Head Shape: A/D/E/C/L/F Speed: 6000RPM~40000RPM Processing Hardness: ≥85HRA Package Includes: 6 x Rotary Burrs Note: 1.Rotary file in pneumatic or electric tools, the speed is generally 6000-40000RPM, must clamp the tool firmly. 2.Cutting direction should be from right to left uniform movement, not like the use