replying to philoÂ* , BostonDave wrote:
philo wrote:

If you are careful.
Get some very high quality cobalt or carbide bits and see if you can get
a small hole drilled down the center and if so progressively increase
the size.
Be sure to wear safety glasses.


Thanks for this advise, I had the same situation and it worked for me. I
ended up re-threading with a 1/4-20 tap bit and replaced the assembly. All
is well now.

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