With the Bahco 3830-57-VIP Sandflex bi-metal hole saw, you cut clean, accurate 57 mm diameter holes through wood, plastics, non-ferrous metals, and stainless steel. The bi-metal construction with 8% cobalt provides superior wear resistance, keeping the teeth sharp through demanding professional drilling tasks. Offering a maximum cutting depth of 38 mm, it easily penetrates studs, panels, and sheet materials for pipe or cable routing. Thanks to the practical lateral knockout slots, you can quickly pop out cut cores and move straight on to the next cut with complete control.