Hole saws are used in plumbing to make openings for pipes and fittings in walls or ceilings. A larger size is normally used to make openings in drywall or plaster. In contrast, the smaller ones are suitable for cutting via metal pipes or tubing. Well suited for use on aluminium, https://hssholesaw37048.tblogz.com/5-essential-elements-for-hole-saw-supplier-48860246