With the Makita D-17164 hss bi-metal hole saw, you cut clean and accurate 152 mm circular openings with ease. The variable pitch tooth design reduces vibration, delivering smooth and controlled cuts through wood, plastic, aluminium, and steel. Built with durable hss teeth, this bi-metal hole saw resists heavy wear across demanding installations like ventilation ducts, pipes, or large cable runs. Featuring a maximum cutting depth of 38 mm and an internal thread connection, it quickly mounts onto a compatible arbor to help you get the job done efficiently.