With the Bahco 3830-38-VIP Sandflex bi-metal hole saw, you cut clean, accurate 38 mm holes through wood, plastics, and various metals including stainless steel. The bi-metal build with 8% cobalt and variable 4/6 tpi tooth pitch ensures high wear resistance, smooth cutting, and long-lasting sharpness. Featuring a maximum cutting depth of 38 mm, it is ideal for drilling pass-throughs for pipes and cables in floors, walls, and enclosures. Thanks to the convenient side knockout slots, you quickly clear cut cores and continue your installation work without delays.