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. 60 mm (2-3/8 in. ) cutting depth for 40% deeper holes in 1 pass and increased productivity. Fits with Snap-Lock Plus? mandrel system allowing a quick and easy change with no down time. Mandrel fits all Diablo hole saws, from 5/8 in. to 6 in. diameter. Tool-free plug ejection for fast material removal. 50x longer cutting life.