Based on this product's specifications, here are some alternatives and similar models
Högert Technik HT6D485 Concrete Core Drill Bit 65 mm M22
Summary description:
The Högert Technik HT6D485 is a professional 65 mm diameter core drill bit designed for efficient drilling in concrete. Featuring an M22 mounting thread, this tool is engineered for durability and precision, making it ideal for construction and installation tasks. It provides clean, accurate holes in masonry and concrete surfaces, ensuring reliable performance for demanding drilling applications.