- Durable and Wear-Resistant: Crafted from high-quality high-speed steel, our drill bits offer exceptional strength and resistance to wear and high temperatures, ensuring a long-lasting performance. - Precision Engineering: The 60-degree angle center drill is designed specifically for creating accurate center holes, countersink holes, and starting holes. Ideal for larger drills in metal processing, it delivers precision you can rely on. - Versatile Size Range: This set includes seven center drill bits in sizes 1.0, 1.5, 2.0, 2.5, 3.0, 4.0, and 5.0 mm, allowing you to tackle various drilling tasks with ease. - Broad Compatibility: Compatible with lathes and most electronic drills, these center drills are effective for working with tough materials such as steel, iron, aluminum, carbon steel, and brass, with hardness ratings from 170HB to 200HB. - Practical Applications: Perfect for machinists and DIY enthusiasts alike, these drill bits are ideal for precision drilling in metal fabrication, automotive repair, and woodworking projects, ensuring clean and accurate results every time. Choose our high-quality center drill bits for reliable performance and precision in all your drilling tasks.