A: Materials: The type of material you can be slicing will establish the type of hole noticed you may need. One example is, When you are cutting wood, you will need a bi-metal hole saw. In case you are reducing steel, you will want a tungsten carbide hole noticed. Dimensions: https://wholesale-hole-saws83604.blogvivi.com/36098360/getting-my-hole-saw-supplier-to-work