Based on this product's specifications, here are some alternatives and similar models
Concrete Drill Bit Irwin SDS+ 8 mm 10501973
Summary description:
Irwin SDS+ 8 mm concrete drill bit designed for drilling into concrete, masonry and stone. SDS+ shank ensures secure fit and quick bit changes in compatible rotary hammers. 8 mm diameter provides a balance of drilling speed and hole precision for anchor, dowel and through-hole applications in construction and installation work.