- Versatile Size Options: This set includes 6 commonly used countersink drill bits: 6mm (1/4"), 5/16" (8mm), 3/8" (9mm), 1/2" (12mm), 5/16" (16mm), and 19mm (3/4 inch), ensuring you have the right size for your project. - Durable Material: Crafted from high-speed steel and heat-treated for high hardness, these bits are designed for wear resistance, providing durability and a long service life. - Precision Cutting: Ideal for countersinking 90-degree holes in wood and soft metals, these bits are perfect for creating a smooth finish for countersunk screws and fixings. The hardened and ground cutting edge ensures maintained sharpness. - Efficient Design: Features a chatter-free five-blade design with offset cutting teeth that promote free chip flow and enable fast, vibration-free cutting, enhancing your drilling experience. - Practical Applications: - Use for furniture assembly where countersunk screws are required for a flush finish. - Perfect for woodworking projects that demand precision in creating clean, recessed holes. - Suitable for soft metal applications, ensuring effective countersinking without damaging the material. This countersink drill bit set combines functionality, durability, and precision, making it an essential tool for both professional and DIY projects.