If nobody suggests anything better, what about purchasing some copper rod from a certain auction site & thread it to suit?Anyone recommend a supplier of replacement screw in soldering iron tips?
The current tip has an M4 X 0.7 thread.
I made one threaded M4 a few weeks ago, possible the thread was too long, used it once then the lidl iron died. Can post it, if you want?
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Both copper and brass will be slowley eaten away by the solder and flux. Ideally make it from copper and braze a thin peice of mild steel on the tip. Proper ones will be iron plated on copper.