Based on this product's specifications, here are some alternatives and similar models
Circle cutter drill bit Cimco 207321
Summary description:
The Cimco 207321 circle cutter drill bit is designed for precision drilling with a diameter of 6.8 cm. Ideal for creating clean, circular holes in various materials. This single piece drill bit ensures durability and efficiency, making it a reliable choice for both professionals and DIY enthusiasts.