Sega a foro con grosste in carburo di tungsteno con piastra di alluminio

Tungsten Carbide Gritted Hole Saws with Aluminum Plate
Self Sharpening, 2-1/4'Cutting Depth, Long Cutting Life, Designed to be used with any variable speed hand drill, Mandrel design allows for easy removal of cut material plug, For the builder, tile setter, home owner, do-it-yourselfer, construction worker and other professionals, Tungsten Carbide Gritted Hole Saws and accessories are available in individual sizes and sets.