Diablo DHS4500CT Hole Saw, 4-1/2 in Dia, 67 mm D Cutting, Carbide Cutting Edge

Diablo introduces the first carbide tipped hole saws on the market to cut both wood and metal (wood, nail-embedded wood, plastic, aluminum, metal, cast iron, stainless steel and metal). Delivering 50 times longer cutting life than bi-metal, these new carbide-tipped hole saws offer faster cutting performance and increased productivity.