Premium 29-Piece Cobalt Drill Set for Stainless Steel & Cast Iron Applications. Premium 29-Piece Cobalt Drill Set. For Stainless Steel & Cast Iron Applications. M35 HSS+5% Cobalt: Crafted from high-speed steel (HSS) fortified with a cobalt blend, making these drill bits exceptionally hard and perfect for precision drilling in tough materials like stainless steel. 135-Degree Split Point & Twist Design: The innovative split point design enhances the cutting edge, ensuring quicker penetration with a 135° angle that optimizes the surface contact. Wide Application Range: Ideal for drilling through hard metals like stainless steel and cast iron, plus it also handles wood, duroplasts, and soft materials seamlessly. Comprehensive Size Assortment: Includes 29 versatile sizes ranging from 1/16″ to 1/2″, ensuring you have the perfect bit for any task. Convenient Storage: Comes in a portable metal case with a drill bit holder and size index for easy organization and access. Exceptional durability and longevity due to cobalt infusion. Effortless metal cutting with reduced friction and heat. Increased efficiency with enhanced shavings removal design. Versatile enough for professional and DIY projects alike. Easy organization with a comprehensive assortment and portable case. Why Choose Our Premium Cobalt Drill Set? When it comes to precision and power in metal drilling, this Premium 29-Piece Cobalt Drill Set stands unparalleled. Engineered with a combination of high-speed steel and cobalt, these bits are not just tools; they’re the gold standard for professionals and avid DIYers who require reliability and performance in tough materials. The meticulously designed features mean less wear and tear, longer life, and more efficient drilling. Don’t compromise on quality; elevate your toolkit with our Premium Cobalt Drill Set and experience the difference of expert craftsmanship and enduring strength. Order now and ensure you’re always equipped to tackle any project with confidence! Alternative Carriers – We may use alternative carriers e. To ensure your package arrives safely and on time. We do not accept return on most products. All sales are final. 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: 2.13 inches. Suitable For: Drill, Hardened Steel, Stainless Steel, Cast Iron, Wood, Plastic, Duroplasts, High Temperature Alloy, Titanium Alloy. Type: Drill Bit, Cobalt Drill Bit, High-Speed Steel Drill Bit. Number of Items in Set: 29. Country/Region of Manufacture: Not Set. Item Diameter: 1/16 in. Item Length: Not Set. Item Width: Not Set. Item Weight: 3.26 lb.