Features Versatile Application: Perfect for a range of materials including metal, plastic, wood, and glass fiber, making it ideal for various CNC projects and PCB engraving Precision Cutting Edge: Features a pointed cutting edge that provides clean and tidy cuts, ensuring minimal burrs for enhanced finish quality Superior Durability: Constructed with high hardness and wear resistance, these bits offer exceptional strength, prolonging tool life and maintaining performance Enhanced Heat Treatment: Undergoes high-temperature quenching to improve overall hardness, delivering a more comfortable and reliable user experience Efficient Milling Performance: Designed for optimal milling and cutting efficiency, these tools significantly boost productivity for all your routing needs Features: 1、Application: Used for engraving PCB, CNC, circuit board, metal, plastic, wood, SMT, glass fiber, carbon fiber board, etc. 2、Pointed Cutting Edge: Pointed cutting edge, can mill and trim the edge of orifice, the is clean, tidy and of burrs. 3、High Hardn: High hardn, high wear resistance, high strength, with sufficient bending strength and wear resistance. 4、High Temperature Quenching Heat Treatment: High temperature quenching heat treatment, strengthen the overall hardn, more comfortable to use. 5、Good Milling Performance: Has good milling and cutting performance to ensure high work efficiency. Specification: Item Type: Straight Shank Twist Drill Material: Tungsten Steel Hole Diameter: Approx. 6mm / 0.24in Package List: 10 x Straight Shank Twist Drill Bit Package List 10 x Straight Shank Twist Drill Bit