Features Versatile Application: Suitable for engraving PCB, CNC, circuit board, metal, plastic, wood, SMT, glass fiber, and carbon fiber board, offering broad usability for various projects. Pointed Cutting Edge: The pointed cutting edge allows for precise milling and trimming of orifices, resulting in clean, tidy surfaces without burrs, ensuring high-quality workmanship. High Hardness and Wear Resistance: Boasts high hardness, wear resistance, and bending strength, providing durable and reliable performance for prolonged use. High Temperature Quenching Heat Treatment: Strengthened overall hardness through high temperature quenching heat treatment, ensuring increased comfort and longevity during usage. Superior Milling and Cutting Performance: Delivers exceptional milling and cutting performance, guaranteeing high work efficiency and professional results. Specification: Item Type: Straight Shank Twist Drill Material: Tungsten Steel Hole Diameter: Approx. 6mm / 0.24in Package List: Item Type: Straight Shank Twist Drill Material: Tungsten Steel Hole Diameter: Approx. 6mm / 0.24in Package List 10 x Straight Shank Twist Drill Bit