13-08-2014, 09:22 PM
(13-08-2014, 03:04 PM)Radio Fixer Wrote: The bit on the Weller has never needed filing (plated with something) . . .
The bit for a Weller TCP should never be filed! ISTR that its plating is steel. It's the 'ordinary' unplated copper bits that wear out due to copper migration during the soldering process, which results in the bit needing to be re-formed.
Al.






