Based on this product's specifications, here are some alternatives and similar models
DeWalt DT9620 SDS‑EX2 rotary hammer drill bit 5 x 460/400 mm
Summary description:
DeWalt DT9620 SDS‑EX2 rotary hammer drill bit with a 5 mm diameter and overall/working lengths of 460/400 mm. Designed for use with SDS‑type rotary hammers, this carbide‑tipped drill bit is intended for drilling deep holes in masonry and concrete. Suitable for professional and DIY applications where extended reach and durable tip performance are required.