[Shop-talk] Helicoil in aluminum

[Jeff Scarbrough]

Last one I did (in a TR6 transmission case) I drilled the hole 21/64.
Worked just fine for me...

Jeff Scarbrough
Corrosion Acres, Ga.

On Sun, Nov 25, 2012 at 7:32 PM, Bob Nogueira <Bob at texmog.com> wrote:
> I'm about to install a helicoil in an aluminum block.   The tap calls for
> drilling a 21/64" hole.  Since it is aluminum should I drill the hole just a
> tad smaller?  If so how much?
>
> Thanks Bob Nogueira
>
> (" Mr Gaskell, how much is a tad?".  --  " more than a smidgen and less than a
> bit")
>      ----The Patio Garage.  1963
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