What is the screw thread in a patress box?
Kevin
Patress screw thread
Sep 17, 2012
7 Replies
M3.5 IIRC.
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seems to confirm.
Darren
m3.5 IIRC
or 4BA on an older one
or 4BA if it's more than 40 years old.
Sometimes 6/32, which means number 6, 32 threads to the inch (I think Americans use this thread )This thread is used on all general purpose power outlets in Australia.
A metric thread in the US?
No not metric,metric ane measured in mm dia and pitch in mm between threads eg 8x1.5. These screws are a number 6 screw with 32 threads per inch.
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