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Amazon.com: 6-Piece NPT Pipe Tap Set, Precision Carbon Steel NPT Tap Set for Clean Accurate Threads, 1", 3/4", 1/2", 3/8", 1/4", 1/8" NPT Tap, Perfect for Plumbers Mechanics DIYers, with Durable Plastic
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Amazon.com: 5 Piece NPT Thread Forming Taps, Pipe Taps Set, High-speed Steel Drill Bits for Cleaning or Re-thread Damaged or Jam Pipe Threads, Size 1/8", 1/4", 3/8", 1/2", 3/4" in Storage Box :
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Drill America 1/4 in. Carbon Steel NPT Pipe Tap and 7/16 in. High Speed Steel Drill Bit Set (2-Piece) POU1/4NPTW/DRILL - The Home Depot
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Amazon.com: NPT Thread Forming Taps - 5 Pieces 1/8", 1/4", 3/8", 1/2", 3/4" Pipe Taps Set with Storage Box Drill Bits for Cleaning or Re-thread Damaged or Jam Pipe Threads, High-speed Steel
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1/16" Carbon Steel NPT Tap and "D" HSS Drill Bit Kit, Qualtech | POU1/16NPTW/DRILL | DrillsandCutters.com
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XtremeAmazing Set of 5 HSS NPT Pipe Tap Set 1/8, 1/4, 3/8, 1/2 and 3/4 Inch: Amazon.com: Industrial & Scientific
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1/4" Carbon Steel NPT Tap and 7/16" HSS Drill Bit Kit, Qualtech | POU1/4NPTW/DRILL | DrillsandCutters.com
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Century Drill & Tool Tap & Drill Bit Set, 1/4-18 NPT, 7/16-In. Drill, 2-Pc. | Killingworth True Value
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NPT & NPTF NPS & NPSF Pipe Tap Size Pitch (TPI) Drill Size* (inch) Pitch (TPI) Drill Size (inch) 1/16 27 0.242 (C) - - 1
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1/4" Carbon Steel NPT Tap and 7/16" HSS Drill Bit Kit, Qualtech | POU1/4NPTW/DRILL | DrillsandCutters.com
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1/4" Carbon Steel NPT Tap and 7/16" HSS Drill Bit Kit, Qualtech | POU1/4NPTW/DRILL | DrillsandCutters.com
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