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ANEWJN-PT-PTHSS N-Type Pipe Tap Taper N-PTSold0pcsThe WJ HSS N-Type Pipe Tap Taper N-PT is the straight flute N-type pipe tap, for machining pipe-fitting threads. Type and size band separate it from the T-type pipe tap: the N type covers the smaller pipe sizes while the T type reaches larger nominal sizes. Both are uncoated HSS rated to HRC30. The N type also comes as the spiral-fluted N-PT-SFT and the long shank N-LPT; for better chip evacuation choose the N-type spiral pipe tap N-PT-SFT; when the tap cannot reach, choose the N-type long shank pipe tap N-LPT; for larger pipe sizes choose the T-type pipe tap T-PT. Substrate HSS, uncoated, rated to HRC30. It cuts tapered pipe threads - both PT/Rc and NPT - in sizes covering nominal size 1/16"~1", 14 variants. Made in Taiwan. What is the difference between tapered and parallel pipe threads? Tapered threads (PT/Rc, NPT) seal on the thread flanks themselves and are common in hydraulic and pneumatic lines; parallel threads (PS/Rp, PF/G, NPS) keep a constant diameter and seal with a washer or O-ring. Are they interchangeable? No - the form and the sealing method both differ, and the wrong choice leaks. Typical applications: thread machining for piping, hydraulic and pneumatic fittings, valve bodies and pipe components, and on-site pipework.
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Cutting ToolsTapPipe Tap
HSS N-Type Pipe Tap Taper N-PT
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HSS N-Type Pipe Tap Taper N-PT

The WJ HSS N-Type Pipe Tap Taper N-PT is the straight flute N-type pipe tap, for machining pipe-fitting threads.

Specifications (14 items)

Part No.StandardDia.Pitch
ANEWJN-PT-1_16PT28PT (Rc)1/16"28
ANEWJN-PT-1_16NPT27NPT1/16"27
ANEWJN-PT-1_8PT28PT (Rc)1/8"28
ANEWJN-PT-1_8NPT27NPT1/8"27
ANEWJN-PT-1_4PT19PT (Rc)1/4"19
ANEWJN-PT-1_4NPT18NPT1/4"18
ANEWJN-PT-3_8PT19PT (Rc)3/8"19
ANEWJN-PT-3_8NPT18NPT3/8"18
ANEWJN-PT-1_2PT14PT (Rc)1/2"14
ANEWJN-PT-1_2NPT14NPT1/2"14
ANEWJN-PT-3_4PT14PT (Rc)3/4"14
ANEWJN-PT-3_4NPT14NPT3/4"14
ANEWJN-PT-1PT11PT (Rc)1"11
ANEWJN-PT-1NPT11-1_2NPT1"11-1/2

Specification Range

Diameter1/16"~1"
Pitch11~11-1/2

Product Description

The WJ HSS N-Type Pipe Tap Taper N-PT is the straight flute N-type pipe tap, for machining pipe-fitting threads. Type and size band separate it from the T-type pipe tap: the N type covers the smaller pipe sizes while the T type reaches larger nominal sizes. Both are uncoated HSS rated to HRC30. The N type also comes as the spiral-fluted N-PT-SFT and the long shank N-LPT; for better chip evacuation choose the N-type spiral pipe tap N-PT-SFT; when the tap cannot reach, choose the N-type long shank pipe tap N-LPT; for larger pipe sizes choose the T-type pipe tap T-PT. Substrate HSS, uncoated, rated to HRC30. It cuts tapered pipe threads - both PT/Rc and NPT - in sizes covering nominal size 1/16"~1", 14 variants. Made in Taiwan. What is the difference between tapered and parallel pipe threads? Tapered threads (PT/Rc, NPT) seal on the thread flanks themselves and are common in hydraulic and pneumatic lines; parallel threads (PS/Rp, PF/G, NPS) keep a constant diameter and seal with a washer or O-ring. Are they interchangeable? No - the form and the sealing method both differ, and the wrong choice leaks. Typical applications: thread machining for piping, hydraulic and pneumatic fittings, valve bodies and pipe components, and on-site pipework.

Workpiece Materials & Hardness

  • Steel (P)
  • Stainless steel (M)
  • Cast iron (K)
  • Non-ferrous metals (N)

Max. workpiece hardness HRC30

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