Durable 115-Piece Cobalt Drill Set with Metal Index – Ideal for Tough Materials. Durable 115-Piece Cobalt Drill Set with Metal Index. Perfect for Tough Materials. Includes 115 pieces of precision-engineered drill bits for versatility. 29pcs Fractional Sizes: 1/16″ to 1/2″ in 1/64th increments, catering to all your drilling needs. 26pcs Letter Sizes: A to Z, allowing for detailed work. 60pcs Numbered Sizes: #1 to #60, ensuring you have the perfect bit for every task. M35 Cobalt Drill Bit: Specially designed for durability and sharpness, ideal for cutting tough materials like stainless steel, iron, castings, and soft metals such as aluminum and copper. Quick and efficient drilling on both soft and hard materials with a 135-degree point tip. Unique twist design ensures faster cutting and self-centering to prevent walk-off. High-Speed Steel (HSS) M35 construction for exceptional cutting performance on hardened steel. Long-term usability with inserts that are hardened and polished for improved sharpness and precision. Comes with drill holders featuring size indexes for an organized approach. Packaged in a robust, compact case for effortless storage and sorting. Why choose our Cobalt Drill Set? Elevate your drilling experience with our Durable 115-Piece Cobalt Drill Set. Crafted to perfection, this comprehensive collection is tailored to tackle both soft and hard materials with ease. From fractional sizes to letter and numbered bits, enjoy a wide range of options at your fingertips. With unrivaled cutting performance and easy organization, this drill set promises to be the cornerstone of your toolbox. Don’t settle for ordinary – enhance your projects with precision. Obtain your Cobalt Drill Set today and experience the difference! 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. Thank you for supporting our small family business! Item Height: Not Set. Item Depth: 4.33 in. Unit Quantity: 7.28 lb. Suitable For: Drill, Hardened Metals, Stainless Steel, Cast Iron, Wooden Plastics, Soft Metals. Type: Drill Bit, Cobalt Drill Bit, High Speed Steel Drill Bit. Number of Items in Set: 115. Material: High Speed Steel. Country/Region of Manufacture: Not Set. Item Diameter: 0.06 in. Item Length: Not Set. Item Width: Not Set. Item Weight: 7.28 lb.