Tungsten steel grinding head, double-groove rotary file, 8-piece set Carbide grinding head, rotary file, tungsten steel burr set

General Description: Tungsten carbide rotary knife set, made of high-quality tungsten carbide steel, offering a sharp, strong, and durable cut. This set includes 8 pieces, ideal for grinding and engraving on various materials such as wood, iron, carbon steel, alloy steel, stainless steel, copper, aluminum, marble, jade, and bone. Technical Specifications: Overall Length: 45-50 mm; Cutting Diameter: 1/4"; Shank Length: 35 mm; Shank Diameter: 1/8"; Rotation Speed: 6,000-50,000 RPM. Compatibility and Accessories: Compatible with most rotary tools and grinders. This set is an excellent choice for DIY projects, crafts, hobbies, home repairs, jewelry making, gem work, and modeling. Use Designed to quickly create cross grooves and chips during grinding and engraving, this rotary tool set effectively replaces small, handled grinding wheels, offering processing efficiency dozens of times greater than that of hand files. Other information