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Amazon.com: uxcell Metric Hand Tap M20 Thread 1.5 Pitch 4 Straight Flutes H2 Alloy Tool Steel Bottom & Taper Screw Tap Set Tapping Tools for Repairing 1 Pair : Industrial & Scientific
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M20 x 2.5 Complete Helical Thread Repair Kit - Includes Helical Insert, HSS Drill Bit, STI Plug Tap & Installation Tool
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