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Made in USA - Combination Drill Tap: 1/4-28, H3, 2B, 2 Flutes, High Speed Steel - 82770280 - MSC Industrial Supply
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1/4-28 Complete Helical Thread Repair Kit - Includes 3 Lengths of Inserts, HSS Drill Bit, STI Plug Tap & Installation Tool
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Amazon.com: KING PRINT Tap Drill Poster Tap Drill Recommendations Chart with Machine Screw, Fractional and Metric Sizes Canvas Wall Art Hanging for CNC Shop, Garage, Toolbox, Green Poster : Tools & Home
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Starrett 185 Time-Saver Tap and Drill Gage, 2-56 to 1/4-28 Tap Size Range: Precision Measurement Products: Amazon.com: Tools & Home Improvement
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