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Feed stop nuts thread specification

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Brian G	22/04/2020 10:44:47
912 forum posts 40 photos	Posted by Farmboy on 22/04/2020 10:34:08: ...The supplied nuts would appear to be wrong, as MichaelG and others suggest... A pencil or coffee stirrer pressed against the thread of the nut may take enough of an impression of the thread to measure, or at least to compare to the thread on the machine. Brian G
not done it yet	22/04/2020 10:59:48
7517 forum posts 20 photos	With reference to an earlier post... Clearly, as ‘electromechaniical-sam’ has these in stock, he is likely a better supplier than Tracy Tools (for some things)🙂. Perhaps that is where they get their less-common taps and dies from? Now, I wonder which pitches are really the coarse and fine.... with seven different options and the most coarse is 2mm pitch? As I recall, the last time (a long time ago) I needed a 16mm x 2mm bolt, one of my local agricultural machinery suppliers had options of both 2mm and 1.5mm pitch... I wasn't aware, at the time what was ‘standard’ but the first offering from his stock was a 1.5mm pitch (which clearly did not match the thread I wanted) so he went and picked a coarser thread from his stock - 16 x 2mm pitch..
David Galt	22/04/2020 17:02:39
5 forum posts	Ok, I think I can finally put this one to bed. I have taken one of the supplied 5/8” -14tpi nuts, and put a large counter sink either side of it to clean up the entry and exit. This nut now goes on the feed thread and runs freely. So I can confirm it is a 5/8 BSF with 14tpi. thanks for all your help and sorry for any confusion.

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