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Irwin® 29-Piece M-42 Metal Index Drill Bit Sets, 1/2"-1/6" Cutting Dia, #IR-3018002B (1/Pkg) | AFT Fasteners
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Irwin - Drill Bit Set: Maintenance Length Drill Bits, 5 Pc, 0.0781″ to 0.2969″ Drill Bit Size, 135 °, Cobalt - 77262327 - MSC Industrial Supply
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Irwin - Drill Bit Set: Jobber Length Drill Bits, 15 Pc, 0.0625″ to 0.375″ Drill Bit Size, 135 °, Cobalt - 57822603 - MSC Industrial Supply
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IRWIN Drill Bit Set, M35 Cobalt Alloy Steel Steel, 29-Piece (3018002) - Metal Cutting Drill Bits - Amazon.com
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