Cobalt Step Drill Bit Set for Extra Hard Metals – 135 Degree Cutting Angle. Cobalt Step Drill Bit Set for Extra Hard Metals. Discover the power of drilling excellence with our premium 3-piece Cobalt Step Drill Bit Set. Perfectly crafted for precision in heavy-duty applications, this set is designed to drill through extra hard metals with ease. Fabricated from cobalt high-speed steel, achieving superior hardness (HRC 64-66) to withstand high temperatures. Coated with Titanium Aluminum Nitride, enhancing durability and extending the service life of each bit to make cutting through tough materials effortless. Includes 3 uni bits designed to drill holes in up to 34 sizes, ranging from 1/8″ to 7/8″, significantly reducing the need for frequent drill bit changes during projects. Three spiral flute design ensures superior cutting properties while allowing controlled removal of chips for a smooth drilling experience. CBN-ground flutes provide extra sharp cutting edges, resulting in smooth, burr-free holes every time. Features clear, laser-engraved measurements on each bit for quick and easy size identification during use. Benefits of the Cobalt Step Drill Bit Set. Engineered for extreme durability, perfect for professionals and DIY enthusiasts alike. Versatile functionality, allowing for a wide range of hole sizes with minimum hassle. Exceptional heat resistance and longevity make it the ideal choice for heavy-duty tasks. Ensures clean, precise results, saving time and effort in your projects. Why Choose Our Cobalt Step Drill Bit Set? When it comes to tackling the toughest metals, precision and durability are paramount. Our Cobalt Step Drill Bit Set stands out with its robust design, ensuring clean cuts and a high-quality finish. This set is not just an investment in tools; it’s an investment in superior craftsmanship and efficiency. Elevate your toolkit with our Cobalt Step Drill Bit Set and experience the difference in quality and performance. Alternative Carriers – We may use alternative carriers e. To ensure your package arrives safely and on time. Your feedback is extremely important to us. We strive to provide the best products and customer service possible. We are committed to resolving any problems and ensuring your satisfaction. Item Height: Not Set. Item Depth: 1.26 inches. Suitable For: Drill, Metal, Heavy Duty Use. Type: Step Drill Bit. Number of Items in Set: 3. Material: High Speed Steel. Country/Region of Manufacture: Not Set. Item Length: Not Set. Item Width: Not Set. Item Weight: 1.94 oz.