The Sandflex® bi-metal hole saws are characterized by excellent performance in various materials, including wood, plastic, non-ferrous and ferrous steels, as well as stainless steel. They are compatible with both stationary and portable power tools. Side slots allow for quick and easy core removal. The maximum cutting depth is 38 mm, with 4 to 6 teeth per inch. All VIP hole saws are delivered in cardboard packaging with included instructions. The maximum hole size corresponds to the nominal hole saw size plus 1.5 mm, minus 0.0. Extra large dimensions include 168 mm and 210 mm with 6 TPI and standard cutting depth, as well as 177 mm with 4/6 TPI and a maximum cutting depth of 50 mm. All large hole saws are designed to cut at a 0° angle to allow for a less aggressive cut.