Based on this product's specifications, here are some alternatives and similar models
Hole saw for metal MODECO MN-61-417 bi-metal 44 mm
Summary description:
Bi-metal hole saw MODECO MN-61-417 with a 44 mm cutting diameter, designed for drilling clean circular holes in metal materials. Constructed from bi-metal for improved durability and heat resistance, suitable for use with drills and drill presses. Intended for metal fabrication, electrical installations, HVAC work and general workshop tasks requiring precise round cutouts.