Features Premium Tungsten Steel Construction: Crafted from high-hardness tungsten steel, these end mill cutters offer exceptional wear resistance for long-lasting performance Smooth, Burr-Free Finish: Enjoy a superior user experience with CNC router bits that deliver a clean, glossy appearance, eliminating burrs for precise cutting Advanced Heat Treatment Process: Each milling cutter undergoes quenching heat treatment, ensuring high reliability and durability even under demanding conditions Versatile Application Range: Perfect for various materials including metal, plastic, wood, and glass fiber, these tools are ideal for printed circuit boards and other intricate projects Enhanced Cutting Efficiency: Experience superior milling and cutting performance, significantly improving productivity and efficiency in your work with these high-quality tools Features: 1、Tungsten Steel: These end mill cutters are made from tungsten steel material, which ensures high hardn and wear resistance. 2、No Burr: These CNC router bits poss clean and glossy appearance, and it has no burr, providing better use experience. 3、Heat Treatment: These milling cutter adopt quenching heat treatment in high temperature, which ensures high reliability. 4、Wide Application: These milling cutter are suitable for printed circuit board, CNC, metal, plastic, wood, SMT, glass fiber, carbon fiber board. 5、High Efficiency: These end mill cutters provide good milling and cutting performance, which ensures high efficiency for your work. Specification: Item Type: End Mill Cutter Material: Tungsten Steel Hole Diameter: Approx. 6.5mm / 0.3in Package List: 10 x End Mill Cutter Package List 10 x End Mill Cutter