Mcmaster has a number of tools for removing broken taps. I do remember
using one of the extractors. You need to buy the right size for it to
work correctly. Search under tap remover at mcmaster.com
On Fri, Nov 18, 2011 at 9:14 PM, Fred Klein <fklein@orcasonline.com> wrote:
>
> Well...I feel like I just REALLY stepped in it.
>
> While carefully, slowly, tapping 10-32 threads in 1/2" thick aluminum, I've
> broken the tap.
>
> I needn't go into detail as to what I was attempting to accomplish, but it
> was in conjunction with providing bolts to the mono LG swing arm to which
> brackets supporting a portion of a fairing for the main wheel would attach.
>
> Not sure how to proceed, though I suspect I'm not the first to break a tap.
>
> I'm not optimistic of being able to drill out the tool steel of the broken
> tap, and even if that could be accomplished, my hunch is I'd end up having
> to use a larger bolt.
>
> One possibility would be to grind the portion of the embedded tap which is
> proud of the surface of the aluminum, alter the bends in the bracket, and
> drill a new hole (say) 2 diameters away from the existing partially-plugged
> hole.
>
> On the other hand, perhaps there is a well-recognized method for extracting
> the broken tap?
>
> Any suggestions?...anyone?
>
> Fred
> A194
>
>
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