Based on this product's specifications, here are some alternatives and similar models
Drill bit Proline 26638, metal, Ø 38 mm, length 150 mm, 1 pc
Summary description:
Single Proline 26638 metal drill bit with a 38 mm diameter and 150 mm length. Designed for drilling through metal, this solid drill bit suits workshop and industrial use where large-diameter holes are required. Delivered as one piece; compatible with appropriate drills and holders for heavy-duty drilling tasks.