• Made of high-quality HSS M42 high-speed steel, robust and abrasion-resistant. • Carbide technology with optimized tooth geometry for fast, precise, and clean cuts. • Design with pre-drilled holes for excellent chip evacuation. • Suitable for cutting mild steel, stainless steel, cast iron, brass, aluminum, wood, plastic, UPVC, and plasterboard. • Direct use without the need for an independent mandrel. • Ideal for installing locks and knobs on doors or drilling large diameter holes in desks and decoration. • Provides energy savings by requiring less force during cutting, extending the battery life of portable tools.