- Premium Material : Crafted from heat-resistant cobalt M42 high-speed steel, these drills retain superior cutting performance at temperatures over 1000 degrees F, ensuring longevity and reliability even under extreme conditions. - Precision Size : With a diameter of 27/64" (0.4219") and an overall length of 7-1/4", these drills are designed for a range of applications, making them versatile for various drilling needs. - Enhanced Design : Featuring a 135-degree split point, right-hand spiral, and straight shank, these drills provide exceptional accuracy and efficiency. The split point design helps reduce push pressure and improves penetration, making drilling smoother and faster. - Manufactured in the USA : Our drills are made with pride in the USA, guaranteeing high-quality craftsmanship and supporting local manufacturing. Use Scenarios : - Ideal for professionals and DIY enthusiasts working with tough materials such as stainless steel, aluminum, and hard plastics. - Perfect for high-performance drilling tasks in automotive, aerospace, and metalworking industries where precision and heat resistance are critical. - A great choice for woodworkers and metal fabricators who require reliable, long-lasting drill bits for intricate projects. Choose our cobalt M42 high-speed steel drills to ensure durability and precision for your most demanding drilling tasks.