The LENOX LXAH429162 2 9/16 in Multi-Material Carbide Tipped Hole Saw delivers up to six times faster cutting than traditional bi-metal hole saws when working on 2" thick pressure-treated wood. Its large carbide teeth and aggressive design enable quick cuts through tough materials, including nail-embedded wood, concrete block, fiber cement, and brick. High-performance carbides are brazed to the edge to enhance durability and reduce tooth loss when encountering nails, making this hole saw a reliable choice for demanding rough-in applications.