Description:

Construction: Crafted from high speed steel with nitride coating, these step drill bits offer exceptional hardness and wear resistance, ensuring long-lasting performance materials like stainless steel and hardened metals.. Design: The 4 flute spiral step bit design enhances cutting stability and chip removal, reducing wobble and heat buildup for cleaner, more accurate holes in metal, wood, and plastic.. Versatile Sizing: This set includes three step drill bits with ranges from 1/8 to 7/8 inch, making it for various hole sizes in automotive and electrical projects.. User-Friendly Features: Each bit has etched size markings that stay visible over time, eliminating guesswork, while the hex shank ensures compatibility with most electric drills and impact wrenches.. Multi-Scene Applicability: Suitable for drilling into aluminum, copper, plastic, and carbon steel, these bits are perfect for home renovation, professional repairs, and craft projects, offering effortless and smooth drilling..