General description YMYNY 5PCS 6mm Shank 10mm Head Tungsten Carbide Double Cut Rotary Burr Set is designed for woodworking, engraving, and die grinding. This set is made from high-quality tungsten steel, ensuring durability and efficiency in various applications. Technical specifications Material: Tungsten steel Shank diameter: 6mm Drill head size: 10mm Usage Suitable for processing all kinds of metals, including hardened steel Can also be used on non-metallic materials such as marble, jade, and bone Other information High efficiency and quality finish Long service life with good economic returns Design features include mechanical parts chamfering, rounding, and grooving Double chamber design with cross lines to prevent clogging, ideal for low-density materials