Tungsten carbide burrs, grinding head for Dremel rotary tools, grinder, wood engraving, metal polishing, 10 pieces

High Quality: The drill bit set is made of high-quality tungsten steel with a processing hardness of up to HRA 85, perfect for iron, steel, carbon steel, alloy steel, stainless steel, copper, aluminum, etc. Applicable Drill: The drill bit set fits most rotary tools such as Dremel, Proxxon, Mister Tool, Einhell, and similar machines. Shank diameter: 3 mm, cutting edge diameter: 6 mm, overall length: 43.5~50 mm. Multifunctional: The cutting drill bit set can be used for engraving, chamfering, grooving, drilling, hollowing, etc.The processing efficiency is ten times greater than that of a hand grinder and almost ten times greater than that of a small grinding wheel with a handle. Wide range of applications: Rotary grinding wheels can be used for engraving and milling soft wood, plastic, and other flexible materials after carving a smooth surface. Portable: Rotary grinding discs come in a portable case; no need to keep them organized.