Based on this product's specifications, here are some alternatives and similar models
Drill Bit MEGA SDS+ 26 mm for concrete, model 82640
Summary description:
SDS+ drill bit by MEGA with a 26 mm diameter designed for drilling into concrete. Compatible with SDS+ rotary hammer systems, this masonry bit is intended for straight holes in reinforced and non-reinforced concrete, brick and masonry. Suitable for professional and DIY use where robust concrete drilling and reliable bit retention are required.