With the Bosch pro Multi Material pc Plus 40 mm hole saw, you cut clean, accurate circular openings across multiple materials such as wood, drywall, plastics, and sheet steel. The hss teeth with 8% cobalt alloy withstand friction heat, delivering high durability and consistent cutting performance during demanding installations. Offering a 44 mm cutting depth, it allows you to create pipe penetrations and conduit pass-throughs with ease. In combination with the Power Change Plus adapter system, you can switch hole saws tool-free and eject material plugs in seconds. This lets you complete your jobs faster and with greater precision.