Based on this product's specifications, here are some alternatives and similar models
Drill bit Art-Pol HSS cylindrical 4 mm AR53740 for metal
Summary description:
Cylindrical HSS drill bit by Art-Pol, 4 mm diameter (model AR53740), designed for drilling metal. Made from high-speed steel (HSS) for wear resistance and heat tolerance during metalworking. Suited for hand drills and drill presses when creating clean holes in steel, iron and non-ferrous metals in workshop and maintenance tasks.