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Triumph Twist Drill - Drill Bit Set: Reduced Shank Drill Bits, 33 Pc, 1″ Drill Bit Size, 118 °, High Speed Steel - 09921727 - MSC Industrial Supply
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Metric M42 8% Cobalt Twist Drill Bits Set for Stainless Steel and Hard Metal (1mm-10mm/19pcs): Amazon.com: Tools & Home Improvement
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