wrote:

On Saturday, 17 February 2018 18:51:48 UTC, Gareth's Downstairs Computer
wrote:
Having made a boo boo and overordered some replacement
bathroom shower hoses, I wonder what is the screw thread such that
I might turn some mating pieces to join them together as
a form of garden hose?

arf inch bee ess pee.

Such couplers are already made eg
https://www.ebay.co.uk/itm/111718270192

Owain

Can be got cheaper if you are ordering a lot, or can put together an
order of plumbing parts to reduce postage. But don't you want parallel
threads because ISTR shower hoses seal with a rubber washer rather than
tightening on the thread?

https://www.bes.co.uk/running-nipple...brass-1-2-6576






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Roger Hayter