Holemaker Step Drill, Spiral Flute, 9 Steps, 5.5MM Step Length, 4 – 12MM

Specific Sizes: – 4MM, 5MM, 6MM, 7MM, 8MM, 9MM, 10MM, 11MM, 12MM – 5.50MM Step Length

Elevate your drilling capabilities with our advanced range of Spiral Step Drills. Engineered for superior performance, these drills are the perfect solution for creating smooth, precise holes in a variety of materials, especially metals and plastics. The innovative spiral flute design sets these drills apart, offering a faster, cleaner cutting action that effortlessly removes swarf and reduces heat build-up. This not only prolongs the life of the drill but also ensures a flawless finish on your workpiece.

Each drill is meticulously crafted from high-speed steel and finished with a tough Titanium Nitride coating. This premium coating boosts surface hardness and minimizes friction, allowing for higher drilling speeds and exceptional resistance to wear and tear. Whether you’re a professional tradesperson or a dedicated enthusiast, our Spiral Step Drills provide the efficiency and reliability you need. Consolidate your toolkit and experience the convenience of drilling multiple hole sizes with a single, high-performance bit.