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pipe tap what design?

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Russ from MN
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Joined: 11 Feb 2006
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Location: N MN

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PostPosted: Sat Feb 16, 2019 9:19 am    Post subject: Re: pipe tap what design? Reply to specific post Reply with quote

I didn't see you mention a skip-tooth tap, that's another option! I have a couple, I should post a picture when I get
home. And then there is BSPT, that's a whole nother ball game!
 
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Steve@Advance
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Joined: 12 Nov 2013
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PostPosted: Sat Feb 16, 2019 9:27 am    Post subject: Re: pipe tap what design? Reply to specific post Reply with quote

A spiral flute tap is designed to pull the chips up and out of the hole.

Typically used for taping blind holes. I like them. they will work for any application.

I don't remember seeing a spiral pipe tap though, they are probably available.
 
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fixerupper
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Joined: 12 Oct 2003
Posts: 16821
Location: Albert City Iowa

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PostPosted: Sat Feb 16, 2019 11:12 am    Post subject: Re: pipe tap what design? Reply to specific post Reply with quote

I have a spiral tap in a drawer in the shop. It was in a box of taps I bought at an estate sale for a machine shop owner. I don’t think I have ever used it.
 
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Brian G. NY
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Joined: 02 Dec 2007
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Location: Upstate New York

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PostPosted: Sat Feb 16, 2019 11:45 am    Post subject: Re: pipe tap what design? Reply to specific post Reply with quote

Quote:
$33 and some change.


Holy COW!!

I have picked up tons of taps over the years at garage sales but only a few pipe taps.
My best ever deal: a buck for a 1-1/4" pipe tap which I have used a few times in cleaning up the exhaust threads on the bigger Kohler K Series engines.
 
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fixerupper
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PostPosted: Sat Feb 16, 2019 1:53 pm    Post subject: Re: pipe tap what design? Reply to specific post Reply with quote

Brian, this will make you feel even better about your 1 1/4" tap. When I was browsing for taps, 1 1/4" taps listed for $165 to $391!

I have always used cheap Hansen's or other hardware store taps and dies that go dull real quick but now I am trying to build more quality into the collection in the drawer. Come to think of it, I have a 1 1/4 pipe tap from an auction too.
 
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Brian G. NY
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Location: Upstate New York

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PostPosted: Sat Feb 16, 2019 2:19 pm    Post subject: Re: pipe tap what design? Reply to specific post Reply with quote

fixerupper wrote:
(quoted from post at 22:53:16 02/16/19) Brian, this will make you feel even better about your 1 1/4" tap. When I was browsing for taps, 1 1/4" taps listed for $165 to $391!

I have always used cheap Hansen's or other hardware store taps and dies that go dull real quick but now I am trying to build more quality into the collection in the drawer. Come to think of it, I have a 1 1/4 pipe tap from an auction too.


Holy Cow!! I am glad I have accumulated so many high quality name brand tools over the years at flea markets and garage sales.
I had no idea the cost of such stuff has gone through the roof!
 
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Dusty MI
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Location: Lansing MI. area

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PostPosted: Sat Feb 16, 2019 6:45 pm    Post subject: Re: pipe tap what design? Reply to specific post Reply with quote

NPT National Pipe Taper.
 
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Butch(OH)
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PostPosted: Sat Feb 16, 2019 6:56 pm    Post subject: Re: pipe tap what design? Reply to specific post Reply with quote

And BSPP, Parallel, not Tapered. Just had to buy one of those last week
 
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