Based on this product's specifications, here are some alternatives and similar models
Drill Bit Set Rockforce core bits for ceramic and porcelain 7 pcs (33, 53, 67, 73, 83 mm)
Summary description:
Core drill bit set by Rockforce designed for drilling ceramic tiles and porcelain stoneware. The kit contains 7 core bits with diameters listed in the product name (33, 53, 67, 73, 83 mm) suitable for creating clean circular holes in tile and gres. Intended for use with compatible drills or drill rigs; useful for plumbing, electrical outlet installation, and sanitary fixture work.