Disston RemGrit 2-1/2 in. Carbide Grit 7/8 in. L X 1/4 in. D Hole Saw

Cuts extremely hard abrasive materials Laminates, fiberglass, ceramic tile, marble, slate, cast iron and composites. Cutting edge of tungsten carbide particles bonded to alloy steel back. High heat and abrasion resistance, no teeth to dull or chip, resists snagging, smooth cutting and greater wear resistance. Ideal for plumbing, construction, marine and aircraft applications.