From: Patrick Rooney ([email protected]
Date: 04 Dec 2002
Time: 18:32:52
Remote Name: 194.66.249.218
I think that both Cycle threads and British standard brass threads are 16 tpi whatever the diameter (the angle is of course different but that is not such a problem) I have used both of these to make and restore A7 threads. However - I suspect that these are now also largely unobtainable