Features Premium Tungsten Steel Construction: Crafted from high-grade tungsten steel, these end mill cutters offer exceptional hardness and impressive wear resistance for long-lasting performance Superior Clean Finish: Designed for precision, these CNC router bits deliver a clean and glossy finish with no burrs, enhancing your overall machining experience Enhanced Reliability Through Heat Treatment: Each milling cutter undergoes rigorous quenching heat treatment, ensuring high reliability and consistent performance in demanding conditions Versatile Applications: Ideal for a variety of materials, these milling cutters excel in working with printed circuit boards, metal, plastic, wood, glass fiber, and carbon fiber boards Boost Your Efficiency: Experience high cutting and milling performance with these end mill cutters, designed to maximize productivity and efficiency in your projects 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