Re: 3mm sockets made from 4mm
Neat idea Peter - this has often cropped up and people mostly hunt around to try to find 2mm/3mm sockets, but this overcomes the problem.
As to soldering, if you clean and flux the brass tube before inserting it, then heat up the threaded portion of the socket (with the plastic part removed of course!) and apply solder to the junction of the tube & socket, the solder will be drawn into the socket wall by capillary attraction, leaving no external trace, just as it would an 'end feed' fitting on copper plumbing pipes & fitting. Solder wouldn't then obstruct the threads on the socket.
Hope that might help.
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David.
BVWS Member.
G-QRP Club member 1339.
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