Based on this product's specifications, here are some alternatives and similar models
Drill bit DeWalt DT8919 for rotary hammer, 6.5 mm x 310 mm, 1 pc
Summary description:
DeWalt DT8919 drill bit designed for use with rotary hammers. Diameter 6.5 mm and overall length 310 mm, supplied as a single piece. Suitable for drilling in masonry and concrete when used with a compatible rotary hammer; practical for renovation, construction or installation tasks requiring medium-diameter holes.