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Schrader Valve caps

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Schrader Valve caps
Robert Leigh Offline
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Joined: Aug 2017 Posts: 982 Threads: 22
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Location: Near Cambridge, UK
Car type: 1928 tourer (mag type), short chassis Gould Ulster
#9
24-01-2018, 01:21 PM
(23-01-2018, 09:52 PM)David Cochrane Wrote: Having measured some original ones I have, they seem to be 15/32" x 26tpi. I haven't managed to find any taps or dies yet.
Your details confirm what I suspected: it looks like a CEI thread (Cycle Engineers Institute). Even big sidecar lugs on old motorcycles are 26 tpi.
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Messages In This Thread
Schrader Valve caps - by Ian Williams - 23-01-2018, 10:41 AM
RE: Schrader Valve caps - by Dave Wheatley - 23-01-2018, 10:58 AM
RE: Schrader Valve caps - by Alan - 23-01-2018, 11:45 AM
RE: Schrader Valve caps - by Stuart Giles - 23-01-2018, 03:29 PM
RE: Schrader Valve caps - by williamsderbys - 23-01-2018, 06:46 PM
RE: Schrader Valve caps - by Ian Williams - 23-01-2018, 07:46 PM
RE: Schrader Valve caps - by David Cochrane - 23-01-2018, 09:52 PM
RE: Schrader Valve caps - by Robert Leigh - 24-01-2018, 01:21 PM
RE: Schrader Valve caps - by Ritchie Wilson - 24-01-2018, 11:18 AM
RE: Schrader Valve caps - by Ken Morton - 24-01-2018, 07:31 PM
RE: Schrader Valve caps - by williamsderbys - 27-01-2018, 06:36 PM

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