Features: Coated countersink drill bit delivers superior wear resistance and extended life , crafted from high speed steel for heat resistant sharpness in metalworking and wood projects. accuracy beveled edges secure flush screw seating with seamless countersinking, eliminating surfaces protrusions for professional finishes in furniture and decorative applications. Ideal for enthusiasts, professional carpenter, and metalworkers seeking strong , multi functional tools for demanding workshop or home improvement tasks. Effortlessly handles metal sheet installations, wooden furniture assembly, and decorative trim projects while maintaining consistent performances across drills and drives. Ergonomic shank design enhances grip stability during prolonged use, paired with anti erosion coating to minimize maintenance and maximize cost efficiency over time. Specifications: Component : high-speed steel Size: multiple Package Includes: 4xDrill Bit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.