- Versatile Size Range: This 7-piece Plain Center Drill Bits Set includes sizes 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, and 5.0 mm, allowing you to tackle various projects with ease. - Precision Engineering: Each bit features a 60-degree angle design, ideal for creating accurate center holes, countersink holes, or starter holes for larger drill bits, ensuring precision in metalworking tasks. - Durable Construction: Crafted from high-quality M2 high-speed steel, these center drill bits are built to withstand high temperatures and resist wear, ensuring long-lasting performance. - Wide Compatibility: The bits are suitable for use with lathe machines and most electronic drills, making them perfect for drilling in materials such as steel, iron, aluminum, carbon steel, and brass, with hardness levels ranging from 170HB to 200HB. - Practical Applications: - Use them for machining tasks on a lathe to achieve accurate hole placements. - Ideal for metal fabrication projects where precision drilling is crucial. - Perfect for DIY enthusiasts working on home improvement or craft projects that require reliable and accurate drilling. This center drill bit set is essential for professionals and hobbyists alike, providing the reliability and precision needed for a variety of metalworking applications.