- Crafted from heat-resistant cobalt M42 high-speed steel, these drills excel in maintaining their cutting performance even at temperatures exceeding 1000 degrees F, ensuring durability and reliability for demanding tasks. - Size: 7/16" diameter (0.4375"), with an overall length of 7-1/4", making them suitable for a variety of applications. - Features a 135-degree split point design for optimal penetration and reduced walking, along with a right-hand spiral for efficient chip removal and a straight shank for easy compatibility with standard drill chucks. - Ideal for drilling in tough materials such as stainless steel, titanium, and other high-strength alloys, making them perfect for industrial applications, metalworking, and fabrication projects. - Compatible with both handheld and stationary drilling machines, these drills provide versatility for any workshop setting. - The heat-resistant properties and robust construction allow for extended use without compromising cutting ability, helping to minimize downtime and increase productivity. - With precise engineering, these drills ensure clean, accurate holes every time, essential for professional-grade results. - Whether you're a professional tradesperson or a dedicated DIY enthusiast, these cobalt drills are a reliable choice for tackling your toughest drilling challenges.