- Versatile Size Range: Our Concrete Drill Bits come in a comprehensive set of sizes, from 3mm to 10mm, meeting diverse drilling needs for various projects. - Round Shank Compatibility: Featuring a round shank design, these 15 drill bits work seamlessly with impact drills and hammer drivers, ensuring convenience and adaptability for different applications. - Durable Carbide Tips: The 15-Piece Large Carbide Hammer Drill Bit Kit is equipped with end ground carbide tips that enable faster penetration into masonry. These tips enhance the longevity of the bits when drilling through tough concrete surfaces. - Broad Application: Ideal for drilling into concrete, walls, bricks, wood, glass, tile, stainless steel, and more. For optimal results on harder materials, it is advisable to use water or coolant during drilling. - Practical Use Scenarios: 1. Perfect for home renovation projects where you need to install fixtures or hang shelves on concrete walls. 2. Suitable for professional contractors requiring reliable and efficient drilling solutions for both residential and commercial construction. 3. Great for DIY enthusiasts tackling creative projects that involve diverse materials like wood and tiles. This drill bit set combines functionality, compatibility, and high-performance materials, making it an essential addition to your toolkit.