OSG, 1/2"-14 Thread Size, 1 23/64 in Thread Lg, Pipe and Conduit Thread Tap - 33ZL87|1310508 - Grainger
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Drill America 1/2" NPT High Speed Steel 4 Flute Pipe Tap (Pack of 12), T/A Series: Amazon.com: Industrial & Scientific
HELI-COIL, M6x1 Thread Size, 28.58 mm Thread Lg, Screw Thread Insert STI Tap - 4EYY2|4687-6 - Grainger
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Drill America DWTPT1-1/2 1-1/2"-11-1/2 NPT Pipe Tap, Carbon Steel, DWTPT Series: Amazon.com: Industrial & Scientific
![Drill America 1-1/2-in-11-1/2 NPT 7-Flute Carbon Steel Npt (Pipe) Tap in the Taps department at Lowes.com Drill America 1-1/2-in-11-1/2 NPT 7-Flute Carbon Steel Npt (Pipe) Tap in the Taps department at Lowes.com](https://mobileimages.lowes.com/productimages/1295e564-c71e-4491-8cf0-271cbae27a66/12088080.jpg?size=pdhism)
Drill America 1-1/2-in-11-1/2 NPT 7-Flute Carbon Steel Npt (Pipe) Tap in the Taps department at Lowes.com
![Drill America - DWT64012 1-1/2"-11-1/2" NPT High Speed Steel 7 Flute Pipe Tap, DWT Series: Amazon.com: Industrial & Scientific Drill America - DWT64012 1-1/2"-11-1/2" NPT High Speed Steel 7 Flute Pipe Tap, DWT Series: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/71bmFvQXEhL._AC_UF894,1000_QL80_.jpg)
Drill America - DWT64012 1-1/2"-11-1/2" NPT High Speed Steel 7 Flute Pipe Tap, DWT Series: Amazon.com: Industrial & Scientific
![Drill America 1/2"-13 High Speed Steel Taper Tap, T/A Series: Hand Threading Taps: Amazon.com: Industrial & Scientific Drill America 1/2"-13 High Speed Steel Taper Tap, T/A Series: Hand Threading Taps: Amazon.com: Industrial & Scientific](https://m.media-amazon.com/images/I/61Vgh1xH80L._AC_UF1000,1000_QL80_.jpg)