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Posted by _ on April 9, 2008, 9:15 am
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On Wed, 09 Apr 2008 01:56:18 GMT, Leo Lichtman wrote:
> "Michael Gray" wrote: (clip) I could move the hole over and retap, but it
> would throw off the symmetry
>> of the piece)
> ^^^^^^^^^^^^^^^^^^^^^
> Or you could drill out or core out an oversize hole, and then press in a
> piece of bronze rod. Thisw would allow you to retap without losing the
> symmetry.
>
> Or how about heating the piece enough to anneal the broken tap, and then
> drill it out?
He said is was a HSS tap.
Carbon tap you could anneal in Bronze. Next time break a carbon one.
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> would throw off the symmetry