3/8″ NPT Tap- 3/8-18 NPT Thread Tap NPT Pipe taps

3/8" NPT Tap

3/8″ NPT Tap supplier- Taper, Plug and Bottom Taps

3/8-18 NPT Thread Tap-0.375-18 NPT Tap in HSS RH LH

  • Type: NPT Tap
  • Size: 3/8″
  • TPI: 18
  • Material: HSS (High speed steel)  HSS-E
  • Ground thread
  • Finish: Bright
  • Drill Size: 0.562
  • Straight flute
  • Flute Number: 4

3/8″-18 NPT left hand thread tap also available (RH=right hand LH= left hand), if need right hand thread tap, no need specially specified, if need left hand tap, it should be specified specially.

  • Usually the 3/8″-18 NPT thread taps are bright without special coating,  if clients need, we also can add special coatings, for example: TiN, TiCN, CrN or TiAlN. After coating, the taps’s working life can be improved greatly.
  • Usually these taps supplied by individual ( plug tap is preferred), we also can send by sets ( Taper, plug and bottom)
  • After Quenching treatment, the taps have a good wear – resistance.
  • Our tap’ cutting effect is good with sharp cutting performance
  • Good surface finish
  • outstanding quality, high precision and excellent production reliability.
  • Our taps can be used in through holes and blind holes.

NPT (American National Standard Taper) taps for general purpose use in a variety of materials conforming to ANSI standards are available. NPT thread taps cut internal threads in pipes.

Check the full range of NPT Thread Taps


We accept payment of T/T(bank transfer), Paypal, Credit Cards, and West Union etc.

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3/8-18 NPT thread tap quality3/8"-18 NPT taps delivery