Based on this product's specifications, here are some alternatives and similar models
Drill bit Proline 72040 — 20 mm diameter, 400 mm length, metal drill bit, 1 pc
Summary description:
Proline 72040 metal drill bit, single piece with 20 mm diameter and 400 mm overall length. Designed for drilling metal, this long-length twist bit suits through-holes and deep drilling tasks in steel and other metals. Use with compatible chucks and drills for fabrication, repair, and installation jobs requiring extended reach.