Based on this product's specifications, here are some alternatives and similar models
Drill bit GRAPHITE SDS+ 18 mm for concrete (57H486)
Summary description:
Graphite SDS+ 18 mm drill bit designed for drilling into concrete. Compatible with SDS+ chucks, this rotary-percussion bit provides a carbide tip for efficient masonry penetration and chip removal. Intended for use with hammer drills and rotary hammers on concrete, brick and block; suitable for professional and DIY drilling tasks requiring an 18 mm hole.