I've never seen a garden hose w/ that style an end--have a bunch of the
NPT to NH brass adapters which are, but not on the hose itself. Wasn't
considering that possibility and didn't get that from the original post
(obviously :) )...
In that case, however, I can see the point and can understand them
getting munged up more than a regular garden hose. Guess there's no
free lunch, is there? :)
This is an old thread, but we may have found the real answer, finally:
http://www.chasertool.com/ for $12
Since I got here by googling for just this sort of thing, maybe this will help
On Tuesday, August 29, 2006 4:53:23 PM UTC-7, dpb wrote:
As noted, you're probably not going to find a die or tap for a garden
hose thread. The problem is, the male ends aren't cut threads anyway
on anything except perhaps the brass NPT/hose adapters--they're formed.
The female ends are so shallow that you would need a bottom tap and
probably couldn't reach but a portion of the first thread, anyway, even
if you had one.
The suggestion to simply clean up the surfaces seems best suggestion.
If there is some real roughness perhaps the wire brush on the grinder
might make it go a little quicker.
Actually, after I finished, I realized probably the easiest and best
solution for the male threads would be some fine emory cloth. Since
the male hose ends are formed, not cut anyway, they don't have sharp
bottoms and it's more than likely just some rough edges on the end and
the outer diameter from dragging exposed ends over concrete sidewalks,
etc., that is the culprit. (Of course, that brings up the "don't do
that!" mantra... :) )
The garden hose thread is considered a separate thread from pipe
thread, however, 1/2 inch pipe (or is it 3/4? can't remember for sure
right now and don't have one with me to look at) has the same thread
count and diameter is close enough. OTOH, the thread itself is
coarse enough that it isn't hard to do with a 3 corner file.
I had a similiar problem and a comprehensive internet search for a tap and
die for the 3/4 X 11.5 garden hose thread was without success. I did find
an OTC #7402 Outside Thread Chaser at Amazon.com that includes a 11.5 tpi
thread cutter that cleans up the hose threads on my water valves pretty
good. It is pricey at $75 but it will be useful for other thread sizes
too. The spec states that it is only for pipes > 1.25 inches but I found
that at minimum setting it will just work on faucet hose connection
threads.Problem solved forever I hope.
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