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Amazon.com: IRWIN SPEEDBOR Spade Wood Drill Bit 1-1/2" X 4" (87924): Home Improvement
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6mm Spade Drill Bit Flat Drill Bits Wood Spade Bit for Woodworking Pack of 1: Amazon.com: Industrial & Scientific
Vermont American 14462 - 3/4-Inch Self Feed Spade Bit - - Amazon.com
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