Based on this product's specifications, here are some alternatives and similar models
Drill bit Dedra WPQ1846, diameter 1.8 cm, for concrete/brick/stone/aerated concrete, 135° point, 1 pc
Summary description:
Single Dedra WPQ1846 drill bit with a 1.8 cm diameter designed for rotary drilling in concrete, brick, stone and aerated concrete. Features a 135° point angle for improved centering and reduced walking when starting holes. Supplied as one piece, suitable for general masonry drilling tasks and repair or installation work.