Description: 10pcs 2.34*6mm Tungsten Carbide Cutter Rotary Burr Set CNC Engraving Bit. Carbide burrs, carbide, also known as high-speed assorted cutters, carbide mould cutter, etc., using with high-speed electric grinder or pneumatic tools. Can finish all kinds of metal mold cavity; clean up fash of casting, forging, weldments, burr and welds; chamfering, rounding, grooves and groove process- ing of various mechanical parts; impeller parts wiper; clean pipes; finishing machinery parts of the inner bore surface; various metal and nonmetal carving, etc. Specification: Msterial:Hard alloy; Quantity:10pcs; Features: 1.It 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 HRA≥85. 2. substantially replace small emery wheels with handle, and no dust pollution. 3. High production efficiency. The processing efficiency improve 10 times than hand tools, increased nearly ten times over small emery wheels with handle. 4. Good processing quality, finish high. It can process a variety of high-precision shape of the mold cavity. 5. Long service life. The durability increase tenfold than high speed steel cutting tools and 200 times than small grinding wheels. 6. easy to grasp, easy to use; safe and reliable. 7. The comprehensive processing costs can be reduced several times. Note: 1. carbide burrs used on pneumatic or electric tools, speed is generally 6000-40000 rev / min, the tool must be clamped. 2. The cutting direction should move evenly from right to left, not as using reciprocating cutting wheel;  be careful to don't use too much force (pressure is generally not more than 4 kg). Package Included: 10 x Tungsten Carbide Cutter Rotary Burr