With the Bahco 3830-55-VIP Sandflex vip bi-metal hole saw, you can quickly cut clean and accurate 55 mm holes through wood, plastics, and ferrous or non-ferrous metals such as steel and stainless steel. Its durable bi-metal build and variable tooth pitch deliver a smooth cut with minimal vibrations while preventing tooth breakage under heavy loads. Offering a maximum cutting depth of 38 mm, it is ideal for installing conduit, pipe pass-throughs, and electrical enclosures. The integrated side knockout slots let you pop out cut cores effortlessly, keeping your workflow fast and uninterrupted.