Durable 13-Piece Tungsten-Cobalt Drill Bit Set – 4x Life & Precision Performance. Durable 13-Piece Tungsten-Cobalt Drill Bit Set. 4x Life & Precision Performance. Durable M35 Cobalt Alloy: Engineered with high-performance M35 tungsten-cobalt for unrivaled durability and precision in tough drilling tasks. 4X Longer Life: Outlasts standard split point bits, providing superior longevity for heavy-duty drilling across metal, wood, and stainless steel. No Pilot Hole Needed: Innovative stepped tip design allows for smooth, efficient drilling without the need for a pilot hole, saving both time and effort. Mechanics Length Design: Shorter and robust construction reduces breakage, making it ideal for drilling in tight spaces while ensuring enhanced longevity. Versatile Performance: Perfect for drilling through hardened steel, stainless steel, and other tough materials with unsurpassed precision and reliability. Lubrication Recommendation: Use oil lubrication when drilling into metal to minimize friction and prevent heat buildup, enhancing the drill bit’s life and ensuring smooth cutting. Why Choose Our Drill Bit Set? Discover the ultimate drilling solution with our 13-Piece Stepped Tip Drill Bit Set made from premium M35 cobalt alloy. This professional-grade set is not only designed for heavy-duty drilling but also promises precision and reliability for all your toughest projects. Say goodbye to frequent bit replacements as these exceptional bits deliver 4x the lifespan of standard split point bits. With a unique design that eliminates the need for pilot holes, you can enjoy quicker, smoother drilling while the mechanics length ensures strength in confined spaces. Ideal for industrial applications, this set will become an indispensable addition to your toolkit. Choose quality, performance, and durability that has been trusted for over 20 years. Elevate your drilling experience and invest in the ultimate drill bit set today! 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: 1.73 in. Suitable For: Air Drill, Angle Grinder, Drill, Orbital Sander, Rotary Tool. Number of Items in Set: 13. Country/Region of Manufacture: Not Set. Item Diameter: 1/8 in. Item Length: Not Set. Item Width: Not Set. Item Weight: 2.03 lb.