A: Materials: The kind of material you're going to be chopping will identify the sort of hole observed you need. For instance, In case you are 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 https://edgarnfxqi.actoblog.com/36179041/the-ultimate-guide-to-hss-hole-saw