ITEM NAME:5pcs/set Tungsten Carbide Rotary File Burr Rasp Drill Grinding Wood Grinder Product Description Description: Features: Tungsten steel grinding head has the following characteristics: (1) It can process all kinds of metals (including hardened steel) and non-metals (such as marble, jade and bone), with the highest hardness up to HRC70. (2) Small grinding wheel with handle can be replaced in most of the work, and there is no dust pollution. (3) The production efficiency is high, which is dozens of times higher than that of the file and nearly ten times higher than that of the small grinding wheel with handle. (4) The product has good processing quality and high smoothness. It can process various shapes of mould cavity with high precision. (5) Long service life, 10 times longer than high-speed steel tools and 200 times higher than small grinding wheels. (6) Easy to use, safe and reliable, can reduce labor intensity, improve the working environment. (7) Economic benefits have been greatly improved, and comprehensive processing costs can be reduced by tens of times. Descriptions: Main uses: Tungsten steel grinding head is widely used in machinery, aviation, automobile, ship, chemical industry, process engraving and other industrial sectors, with remarkable results. (1) Finishing various metal die cavity, such as processing shoe mould and so on. (2) Craft carving of various metals and non-metals, such as mould carving and trimming of craft gifts. (3) Clean up the flying edges, burrs and welds of casting, forging and welding parts, such as machine foundries, shipyards and automobile factories. (4) Processing chamfering and grooving of various mechanical parts, cleaning pipes, finishing the inner hole surface of mechanical parts, such as machinery factories, repair factories, etc. (5) The polishing of impeller runner, such as automobile engine factory. (6)Set model: A-type cylindrical, D-type spherical ,C-type elliptical, F-type arc head, G-type arc tip (7)Tungsten.Tungsten steel grinding head has the following characteristics (7)Tungsten steel grinding head: mainly used in pneumatic or electric drive tools, the speed is generally 6000-50000 rpm. When using, clamp and correct the tool.