Based on this product's specifications, here are some alternatives and similar models
Drill bit set GRAPHITE 57H036-10 cobalt metal cylindrical 5.5 mm, 10 pieces
Summary description:
Cobalt metal drill bit set by GRAPHITE (model 57H036-10) includes ten cylindrical drill bits with a 5.5 mm diameter. Designed for drilling in metal, the cobalt composition improves heat resistance and durability under high-speed and high-temperature conditions. Suitable for workshop and industrial use when machining steel and other hard materials, for drilling through plates, profiles and assemblies.