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Brass tube
gadabout:
Hi,
I am in need of 200mm long approx, 20mm bore x1mm wall ,piece of brass tube , it has to be that size but all the tube I have come across so far is 20mm od , any clues as to where to get some?
Thanks
Mark
Bluechip:
Not 22mm OD but 7/8" is 22.2mm and that is fairly common.
M Metals have it here:
http://www.m-machine-metals.co.uk/downloads/metals%20catalogue.pdf
Page 26
Available in 16 / 18 / 20 SWG
UK source, if you're somewhere else .... Dunno :headscratch: you don't state location.
D.
fumopuc:
That means 22x1 mm is wanted.22x2 mm is common in Germany, material is MS58 CW608N CuZn38Pb2
CW614 N CuZn39Pb3
So if you drill with a 20 mm drill bit you should get what you are looking for.
22x1 is also available, but than MS63 CW508L CuZn37
I have no idea where you are living, so only a blind suggestion.
gadabout:
Hi, thanks for helping, I live in Hobart, Tasmania ,Australia! The bore needs to be 20 mm as supplied, it’s for a replacement hand oil pump on one of my vintage Indian motorcycles . The original tube measures at 20mm Id which I thought strange being an American bike. I don’t want to bore out a piece as getting the bore good enough for the pump to work properly would be difficult, especially over the 150mm or so length
Thanks
Mark
Vixen:
Hello Mark
The nearest tube I can find is 22.2mm OD with 16 SWG wall from a UK supplier https://www.ebay.co.uk/itm/284523799981?var=586100305082&hash=item423ef0a5ad:g:mKcAAOSwTw1eV6P9
You would need to slightly alter the plunger diameter and perhaps the end fittings.
This may or may not help
Mike
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