These carbide hole saws have a carbide tip to ensure clean, smooth and accurate holes cut with no broken edges. Solid one-piece alloy steel construction with heat treatment and extra thick wall for added durability and long-lasting service. 3 flats shank fits most power drills, cuts hard and abrasive materials like glass, fiberglass, tile, granite, marble, stone, and porcelain.
The hole saw set apply to Bench drill, magnetic drill, gun drill, drill percussion and so on. Perfect for hard metal, stainless steel plate, square tube, iron, cast iron, wood, F.R.P and other general sheet metal.