A: Substance: The sort of fabric you'll be slicing will figure out the type of hole noticed you need. As an example, For anyone who is chopping Wooden, you will need a bi-metal hole noticed. Should you be slicing steel, you may need a tungsten carbide hole observed. Dimension: Hole https://hss-hole-saw48261.iyublog.com/34562704/what-does-hss-hole-saw-mean