Based on this product's specifications, here are some alternatives and similar models
Drill bit Dedra DED1531, 4 mm, steel, for glass and tile, 1 pc
Summary description:
Dedra DED1531 drill bit, 4 mm diameter, made of steel and designed for drilling glass and tile. Supplied as a single piece, this specialty bit is intended for precise holes in brittle surfaces where a standard masonry or wood bit is unsuitable. Suitable for manual or drill press use with appropriate speeds and cooling.