Major Tech Step Drills – 4–35mm Hole Sizes, High Speed Steel

Major Tech Step Drills are precision cutting tools made from high-speed steel, designed to create multiple hole sizes with a single cutter in thin materials including metal, wood, and plastic. Available in 5, 7, 9, 10, and 13-step configurations with hole sizes ranging from 4–35mm and chuck sizes of 10–13mm, these drills automatically deburr edges for a smooth finish. Ideal for electricians, metal workers, and contractors who need fast, accurate hole sizing without changing tools.