DHS2250CT Diablo 2‑1/4 in Carbide‑Tipped Wood and Metal Holesaw 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 productivityFits with Snap-Lock Plus mandrel system allowing a quick and easy change with no down timeMandrel fits all Diablo hole saws, from 5/8 in. to 6 in. diameterTool-free plug ejection for fast material removal50x longer cutting lifeIdeal For: Drilling clean wood, nail-embedded wood, plastic, aluminum, metal, cast iron and stainless steelDIAMETER : 2-1/4 inLENGTH : 2-3/8 inSHANK : Diablo Mandrel