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1/4" gas thread taps?

Post questions and info about pneumatic (compressed gas) powered cannons here. This includes discussion about valves, pipe types, compressors, alternate gas setups, and anything else relevant.
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1/4" gas thread taps?

Unread postAuthor: jmez1996 » Fri Jun 01, 2012 9:26 am

Does anybody know if you can get thread tap and die set's for gas threads. its the 1/4" tap that i'm after specifically. the same thread that standard compressor parts come in.
I have asked around at my local hardware stores and nobody seems to know. then i remembered you guys know everything ;)
cheers.
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Unread postAuthor: Technician1002 » Fri Jun 01, 2012 10:29 am

1/4 inch pipe thread. It is a standard pipe thread. I've only used standard pipe thread parts with my compressor for replacement gauges, etc.
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Unread postAuthor: samiam0295 » Fri Jun 01, 2012 10:57 am

Yep 1/4" NPT is what your looking for. I got a tap at ACE, but it was like $8 :shock:
Please dont get a tap and die set at harbor freight, its cheap, but it cuts crappy threads. Craftsman has sets, but they are pricy. I would try a place like ACE or a quality one online (read $5+ dollars) :wav:
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Unread postAuthor: dewey-1 » Fri Jun 01, 2012 12:53 pm

There are taps for NPT and NPTF. The F is used for fuel applications.

http://www.maritool.com/Cutting-Tools-T ... index.html
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Unread postAuthor: Goats spudz » Fri Jun 01, 2012 1:06 pm

samiam0295 wrote:but it was like $8 :shock:
The taps i use cost around $40
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Unread postAuthor: samiam0295 » Fri Jun 01, 2012 3:03 pm

dewey-1 wrote:There are taps for NPT and NPTF. The F is used for fuel applications.

http://www.maritool.com/Cutting-Tools-T ... index.html


Hes looking for air compressor fittings, NPT.
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Unread postAuthor: samiam0295 » Fri Jun 01, 2012 3:04 pm

Goats spudz wrote:The taps i use cost around $40


Cool :!:
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Unread postAuthor: jmez1996 » Sat Jun 02, 2012 6:58 am

yeah 1/4" npt is what im after.
alright ill try get one online
thanks
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Unread postAuthor: Crna Legija » Sat Jun 02, 2012 10:51 am

This kind of questions what the short question topics is for, so yeah next time use that.
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Unread postAuthor: D_Hall » Sat Jun 02, 2012 11:48 am

Personal opinion, but if you're not going to buy a set - if you're just going to buy ONE tap - get NPTF.

NPTF is just NPT built to tighter tolerances. That means two things...

1) It'll be much easier to achieve a good seal.

2) The tap itself will be of a high quality. Nobody makes crap quality NPTF taps.
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Unread postAuthor: jmez1996 » Sun Jun 03, 2012 3:12 am

D_Hall wrote:Personal opinion, but if you're not going to buy a set - if you're just going to buy ONE tap - get NPTF.

NPTF is just NPT built to tighter tolerances. That means two things...

1) It'll be much easier to achieve a good seal.

2) The tap itself will be of a high quality. Nobody makes crap quality NPTF taps.


How will these tighter tolerances work with shop bought 1/4" npt fittings?
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