ZELCAN Step Drill Bits, HSS 5PCS Titanium Step Drill Bit Set, Spiral Grooved with Automatic Center Punch, Step bit Set for Sheet Metal with Aluminum Case, Multiple Hole Stepped up Bits for DIY Lovers

Enhanced Durability with Titanium Coating: Our high-speed steel (HSS) drill bits, fortified with a titanium coating, offer exceptional durability and maintain sharpness even through demanding tasks. The titanium coating increases wear resistance and minimizes friction, resulting in cooler operation.
Versatile Hole Processing: Our step drill bits cater to a wide range of hole diameters, effectively eliminating the hassle of switching between multiple bits. This versatility proves invaluable for tasks involving metal, wood, and plastic, including countersunk holes.
Precision-Engineered Design: The split point tip, set at a 135-degree angle, significantly enhances wear resistance, making the drill bits long-lasting and efficient. The innovative two-flute design facilitates smoother cutting and enables easy evacuation of material particles, promoting cleaner and more precise drilling operations.
Convenient Storage Solution: Our step bit set comes complete with a purpose-designed holder featuring a size index. This inclusion ensures effortless organization and storage, preventing the bits from falling out and keeping your workspace tidy.
Comprehensive Set: This step drill bits set encompasses five commonly used sizes, granting you the flexibility to work with a wide array of materials and hole dimensions.