Carbide Hole Saw used for cutting glass, quartz, advanced ceramics, porcelain, ... , advanced ceramics, porcelain, composites and many other materials. Art.No.Carbide Hole SawSizeø22,28,35,50mmPackingaluminium boxCTN Size/Quantity10SET/CTN ... Hole Saw with four pieces of diamond core drillstop quality Carbide Hole Saw