Made from chrome-plated tool steel, ground for quick, burr-free punching of round holes. The pressure screw is operated with a key. It features three cutting edges with positive cutting edge geometry, suitable for pipes and screw connections with PG threads as well as sanitary fittings. The 3-point closure accommodates material thicknesses of up to 4 mm, and the tension screw has a metric fine thread. This tool is suitable for steel sheets, stainless steel sheets, non-ferrous and lightweight metals, as well as plastics. It is ideal for switchgear manufacturers, electricians, plumbers, and various industries and trades. Punch thin-walled materials quickly, effortlessly, cleanly, and burr-free in just a few steps. Additional technical features include a ground surface, application for pipes and screw connections, and construction from tool steel.