Precision 3-Piece Cobalt HSS Step Drill Set – 1/8″ to 7/8″ with TiAlN Coating. Precision 3-Piece Cobalt HSS Step Drill Set. Size Range: 1/8″ to 7/8″ with TiAlN Coating. Four spiral flute design guarantees faster and smoother cutting. Feels like a hot knife through butter! TiAlN coating with 89HRC surface hardness for durability. Perfect for cutting through materials such as stainless steel, metal sheets, wood, plastic, aluminum, and copper. Includes a total of 34 step sizes ranging from 1/8″ to 7/8″. Effortless drilling ease due to innovative cutting design. Enhanced cutting speeds ideal for professionals and DIY enthusiasts. Versatile use across multiple materials ensures you have the right tool on hand. Comprehensive step sizes for all your drilling needs. Confidence in quality with a satisfaction guarantee. Why Choose Our Precision Step Drill Set? Unleash your drilling potential with our Precision 3-Piece Cobalt HSS Step Drill Set. Crafted with an innovative four-flute design that cuts seamlessly through a variety of materials, this set is the perfect companion for both professionals and hobbyists. The TiAlN coating provides exceptional durability and hardness, ensuring longevity and high performance. Experience the ease of penetrating tough materials like stainless steel and aluminum while enjoying the satisfaction that comes from quick and smooth drilling. With 34 total step sizes, this versatile tool adapts to your needs, making it a must-have addition to your toolkit. Don’t compromise on quality; choose our Precision Step Drill Set and transform your projects 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. Thank you for supporting our small family business! Item Height: Not Set. Item Depth: 3.46 inches. Suitable For: Air Drill, Drill, Rotary Tool, Metal, Wood, Plastic, Aluminum, Copper. Type: Drill Bit, Step Bit. Number of Items in Set: 3. Country/Region of Manufacture: Not Set. Item Diameter: 0.88 inches. Item Length: 18 in. Item Width: Not Set. Item Weight: 0.5 lb.