A step drill designed for enlarging holes without changing tools. This HSS 4241 high-speed steel drill features 12 steps covering diameters from 6mm to 60mm (6, 10, 15, 20, 25, 30, 35, 40, 45, 50, 55, 60mm).
The titanium-coated surface provides anti-rust and anti-wear protection for extended durability. A 135° split tip with 2-groove double-edged design delivers faster cutting and improved chip removal. The spiral geometry ensures stable operation and smooth cutting action.
Works on metal, wood, aluminium alloy, plastic board and insulation materials. The three-sided shank grips securely in standard power tool chucks without slipping. A depth gauge marked on the surface helps you control drilling depth accurately.
Recommended operating speed is 250–400 rpm. The drill is suitable for workpieces with hardness below 25°.
Each package includes one step drill. Order yours today and simplify your hole-enlargement work.

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