Re: Good News/Bad News


"Leo Lichtman" <l.lichtman@xxxxxxxxxxxxxxxx> wrote in message
news:b1SBf.542680$zb5.64869@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> "Hank Wirtz" wrote: (clip) Alas, the spindle is not hollow in the middle.
> (clip)
> ^^^^^^^^^^^^^
> I believe there are left-hand drills made for this purpose--this allows
> you to go in from the broken-off end. However, if the problem is really
> caused by thread-locking compound, the stub may not spin out even with the
> bolt tension released. So this is what I would do:
>
> Drill a hole in the bolt with a drill that is smaller than the root
> diameter of the thread, taking care to center it as well as possible.
> Then go in with successively larger drills until you wind up with a "coil
> spring" consisting of just the thread, which you then pull out by hand.
> "Ah," but you say, "it would be virtually impossible to center the drills
> that well." That is true, so you stop drilling when the hole size reaches
> the threads on one side. Chances are by then you will have a thin shell
> remaining which can be collapsed with a pick of some sort and pulled out.
> Or you can run a tap in and break it out.
>

That's what I'm planning if Phil tells me I'm SOL.


.

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