Drill multiple diameters with a single tool using our range of stepped drill bits, designed for precision work on sheet metal, aluminum, thin steel, or plastic. Each level of the bit allows obtaining a perfectly calibrated hole, without burrs or tool changes. Ideal for applications in electrical work, ventilation, or industrial installation. Their conical shape ensures regular cutting, good chip evacuation, and optimal comfort. An all-in-one tool, reliable and versatile, for clean and controlled drilling.