Best of: Houghton Weavers

Heavy Duty 1/2" 3/4 Inch PVC Pipe Tap for Industrial Use and Easy Handling Water Pipe Internal Thread Tap Opener Tools Threading Tool

Greenfield Threading Greenfield Industries - 385455 PTT 1/2-14 NPT Medium Hook Taper Tapered Pipe Tap - 4 Flute - Bright Finish - High-Speed Steel - 3.125 in Overall Length - 385455

FTVOGUE 6Pcs NPT Pipe Tap Set HSS High Speed Steel Thread Tools for Industrial Plumbing DIY with Storage Box

Hertel British Standard Pipe Tap, 1/4-19 BSPT, Bottoming Chamfer, 4 Flute, HSS, Bright/Uncoated Finish, 2-7/16" OAL, 1-1/16" Thread Length

Greenfield Threading 385851 GT/VTD 3/4-14NPT PTTI 5FL GP Interrupted Pipe Tap

Hertel High Speed Steel Standard Pipe Tap, 1/4-18 NPT, 4 Flutes, Bright/Uncoated, 1-1/16" Thread Length

Greenfield Threading 353768 GT/VTD 6PC 3180 1/8-1" NPT Pipe Set

Greenfield Threading 385828 GT/VTD 1/2-14NPT PTTI 4FL GP Interrupted Pipe Tap