This woodworking countersink drill bit is designed for precision and efficiency. Featuring a carbide tip, it ensures durability and sharpness, making it perfect for creating clean, smooth holes in wood. Ideal for installing self-tapping screws, this tool is a must-have for any woodworking project, providing professional results every time. Features -Color:Multi -Material: carbon steel, power coating, alloy -Size:5.60X1.50X1.50cm/2.20X0.59X0.59in -Size:6.00X1.50X1.50cm/2.36X0.59X0.59in -Size:5.70X1.50X1.50cm/2.24X0.59X0.59in -High efficiency: Countersink Drill Bit, achieve precise countersinking effortlessly, enhancing woodworking productivity with minimal effort. perfect for both professional and diy woodworking projects -Sturdy alloy head: Counterbore Drill Bit, features a high-hardness alloy head for resistance, ensuring sturdy performance across various wood type and applications -Stepped design: Drill Bits Set, the stepped structure ensures secure screw installation, preventing surface cracks and maintaining the integrity of your wood materials -Versatile applications: ideal for furniture assembly, wood crafts, and other woodworking tasks, adding convenience and creativity to your diy projects -Self-tapping capability: reduces the need for predrilling, simplifying the installation process and making it easy for beginners to achieve professional results Package list: 5 x drill bit (2.8x10) 5 x drill bit (3.10) 5 x drill bit (3.2x10) 5 x drill bit (3.5x10) 5 x drill bit (4x10)