Split sheet punch made of tool steel for fast, burr-free punching of round holes in steel sheets S235 and VA 1.4301. It accommodates material thickness up to 3 mm and is suitable for cable glands with PG and metric thread as well as sanitary fittings. The design prevents jamming of the waste piece in the die due to a 3-fold splitting mechanism. It features a pull screw with UNF fine thread, operated by a wrench. This tool is ideal for switchgear manufacturers, electricians, plumbers, industry, and handicrafts. It allows for quick, effortless, clean, and burr-free punching of thin-walled materials in just a few steps. Further technical features include a maximum material thickness of 2 mm and application for pipes and screw connections.