Hole Saw, Series: Rapid Core Eject™, 2-1/2 in Saw Diameter, 10 Arbor Hole, Hex Arbor Hole, 2-3/8 in Cutting Depth, 1 TPI, 5/16 in Pilot Drill Diameter, 4 in Pilot Drill Length, 7/16 in Shank, Hex Shank, 1/2-18 Thread, Tungsten Carbide Tooth, Applicable Materials: Wood, Concrete Block, Brick, Cement Fiberboard, Ceramic Wall Tile, PVC and More

• Up to 10x more cuts than bi-metal hole saws
• Up to 5x faster than standard hole saws
• Tungsten carbide tipped for extended life and clean cuts
• Cuts wood, concrete block, brick, cement fiberboard, ceramic wall tile, PVC and more, (with a Mohs hardness of less than 6)
• Utilizes rapid core eject™ arbor system - rapidly eject the core, quickly change diameter, cut at an angle and enlarge existing holes

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