Michael:
Picked up a 1/8"-27 pipe tap today at Sears and it worked perfectly.
Thanks
Scott
Michael Marr wrote:
>
> I'm pretty sure the grease fitting has a pipe thread. It's most likely a
> 1/8" pipe thread. This is a taper thread with 27 tpi, (not 28) and has a
> pitch diameter at the smallest end of the taper of .363 ins. I can see how
> it could be easily confused with a 3/8' UNF thread. 1/8" pipe taps can be
> obtained at any hardware store. The 1/8" is NOT a typo - the 1/8" refers
> to the nominal size of the pipe, not the thread diameter.
>
> ----- Original Message -----
> From: "suhring" <suhring@lancnews.infi.net>
> To: "triumph mailing list" <triumphs@autox.team.net>
> Cc: "John Krause (home)" <jktr250@aol.com>
> Sent: Tuesday, October 24, 2000 9:22 PM
> Subject: Grease Nipple Lower Wishbone
>
> >
> > Has anyone retapped the threads for the grease nipple that goes
> > on the lower wishbone for a TR3? My threading has gone bad and I can't
> > fit a new grease nipple on the arm. As far as my measurements go, it
> > is a 3/8"-28 NF. It's the 28 thread pitch that I can't find.
> >
> > Does anyone know a source for these odd tap sizes or have a spare
> > Right/Front wishbone?
> >
> > TIA
> >
> > Scott Suhring
> > Elizabethtown, PA
> > '70 TR6
> > '59 TR3
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