Spyder 4-1/4-in Carbide-Tipped Non-Arbored Adjustable Hole Saw
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10X more cuts and 5x faster than standard bi-metal hole saws
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Tungsten carbide tipped for extended life, clean cuts and exteme material drilling versatility
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Drill wood, MDF, plywood, cement fiber board, porous concrete block, some brick, ceramic wall tile, plastic, PVC and more
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Use with Spyder's Rapid Core EjectTM Arbor System - rapidly eject the core, quickly change diameter, cut at an angle, and enlarge existing holes
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Maximum cut depth of 2-3/8-in
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Universal 5/8-18 thread uses Spyder Hex10 arbor/pilot bits or other universal hole saw arbors; 2-3/8-in depth of cut
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Not for use in hammer mode
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For drilling metal, wood w/nails, or in block/brick/tile applications with a Mohs hardness of 6 or greater. Always use a drill motor with a support handle