On 07/29/16 16:07, andy pugh wrote: > On 29 July 2016 at 02:49, Gene Heskett <[email protected]> wrote: >> There does appear to be a flat on >> the tip, perhaps a thou wide. > Should there be? > > What exactly, is this tapered thread?
is it a pipe thread? maybe for a pipe plug common on molds for water lines? > Note that in the US there is a flat on the thread, but the flat size > is modified to eliminate the spiral leak path: > https://en.wikipedia.org/wiki/National_pipe_thread > > In the rest of the world the thread-form is Whitworth, with rounded > peaks and troughs: > https://en.wikipedia.org/wiki/British_Standard_Pipe > > To add to the fun, one is 60 degrees and the other is 55 degrees. > tjtr33 tomp ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
