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IRWIN 1-3/4-in Self Feed Bit

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  • For drilling large diameter holes in wood for pipe, conduit and other applications

  • Replaceable coarse screw point drills quickly in dry, wet, and gummy wood

  • All bits have a 7/16-in hex quick change impact shank that fits 1/2-in or larger electric drills or 7/16-in hex impact wrench drills

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