A: Substance: The kind of fabric you will end up chopping will determine the type of hole noticed you may need. One example is, When you are chopping wood, you will need a bi-metal hole saw. In case you are reducing steel, you will require a tungsten carbide hole saw. https://wholesale-hole-saws93714.theobloggers.com/41765711/not-known-factual-statements-about-wholesale-hole-saws