Delivers up to 10x more cuts and is 5x faster than standard bi-metal hole saws Drill wood, MDF, plywood, fiber cement board, porous concrete block, some brick, ceramic wall tile, plastic, and PVC Use with Spyder’s Rapid Core Eject arbor system to eject cores without prying, quickly change diameter, cut at an angle, and enlarge existing holes Tungsten carbide tipped for extended life, clean cuts, and extreme material drilling versatility Universal thread compatible with Spyder arbor/pilot bits and other universal hole saw arbors Spyder’s 5-1/2-inch Diameter Tungsten Carbide-Tipped (TCT) Hole Saw is built for speed and durability—cutting up to 5x faster and delivering up to 10x more cuts than conventional bi-metal hole saws. Designed to tackle a wide range of materials, this hole saw powers through wood, MDF, fiber cement board, porous concrete block, ceramic wall tile, plastic, PVC, and more. Pair it with Spyder’s Rapid Core Eject arbor system (not included) for fast, hassle-free core removal. Simply drill the hole, press the button, pull back the hole saw, and eject the core. The Rapid Core Eject system also makes it easy to cut at an angle or enlarge existing holes using two adapters on one pilot bit. All Spyder TCT, Tarantula, and Bi-Metal hole saws are compatible with Spyder Rapid Core Eject arbors and pilot bits (not included), as well as universal hole saw arbors. Built to withstand professional use, Spyder’s TCT hole saws are the pro’s choice to drill more holes in less time. Not recommended for use in hammer mode or on metal, wood with nails, harder abrasive materials, or block/brick/tile applications with a Mohs hardness of 6 or greater. Maximum cut depth of 2-3/8-inches. Always use a drill with a support handle. Spyder is a trusted and reliable toolmaker that specializes in creating innovative and practical solutions for maximum function on the job. With a focus on quality and functionality, Spyder understands the importance of delivering reliable and user-friendly saw blades, drill bits, and driver bits.