Carl wrote:
> I wouldnt use emery cloth as it is too abrasive even for coin silver
> contacts.
>
> I use 2000 grit sand paper as used for wood finishing or autobody work. The
> tool is thin blued spring steel and the paper is glued to both sides which
> lasts quite awhile before replacing. Since the burnishing tools I had are
> pretty worn out and often the wrong size I made up sevral different sizes
> and shapes.
>
> For substantial pit removing such as vibrator points a more aggressive 440
> to 1000 grit is used.
>
440 is aggressive? 60 and 80 ARE aggressive! <:-))
The finest I have is 600 for wet sanding with paint work.
73
Roger (K8RI)
> For the newer micro thin flashed plating contacts a burnishing tool is as
> rough as you want to get and maybe 1-3 cleanings is all you will get.
>
> Carl
> KM1H
>
>
>
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