With the Bahco 3830-29-VIP Sandflex bi-metal hole saw, you cut clean, accurate 29 mm diameter holes smoothly across multiple materials. Whether you are drilling pass-through holes for pipes and conduits in wooden beams or cutting into sheet steel, non-ferrous metals, stainless steel, and plastic enclosures, the bi-metal teeth with 8% cobalt alloy deliver exceptional wear and heat resistance. a maximum cutting depth of 38 mm lets you tackle diverse installation tasks with ease. Practical side knockout slots allow you to remove cut cores quickly to maintain fast drilling progress. Featuring an internal thread, it mounts securely to your drill using a compatible arbor.