Based on this product's specifications, here are some alternatives and similar models
Hole saw Makita E-06644 — metal cutting hole saw, 1 piece, for drills
Summary description:
Makita E-06644 is a single-piece hole saw designed for use with hand drills and drill drivers. Supplied in a pack of 1, this cutting accessory is intended for creating circular holes in metal and similar materials. It mounts to standard arbor systems and is suitable for repair, installation and metalworking tasks where precise circular cutouts are required.