Based on this product's specifications, here are some alternatives and similar models
Högert Technik Bi-metal Hole Saw 38 mm M42 Steel
Summary description:
The Högert Technik bi-metal hole saw, diameter 38 mm, is manufactured from high-quality M42 steel with added cobalt for increased durability and heat resistance. Designed for precise drilling in steel, stainless steel, non-ferrous metals, wood, and plastics. This professional-grade tool ensures efficient cutting performance and long service life in various industrial and construction applications.