The Sandflex bi-metal hole saws offer excellent performance in most materials such as wood, plastic, non-ferrous and ferrous steels, including stainless steel. The bi-metal design contains 8% cobalt for increased wear resistance. They are suitable for both stationary and portable power tools. Side slots allow for quick and easy removal of the cores, with a maximum cutting depth of 38 mm. The hole saws have 4/6 teeth per inch, and the maximum hole size corresponds to the nominal hole saw size plus 1.5 mm. All hole saws are packaged for self-service with instructions that also serve as tooth protection. These hole saws are designed for professional use, feature a standard holder for various shanks, and provide high quality in terms of precision, durability, and versatility. No matter what you want to cut, we have the hole saws and shanks you need to tackle any task day after day. From the design of the cutting edges to the manufacturing process, these hole saws are engineered to enhance sawing performance and skill.