A: Material: The type of material you will end up reducing will establish the sort of hole observed you would like. For example, If you're reducing wood, you will want a bi-steel hole noticed. Should you be slicing metallic, you will require a tungsten carbide hole observed. Sizing: Hole saws https://hss-hole-saw15936.full-design.com/new-step-by-step-map-for-hole-saw-supplier-77826325