I forgot about thread files. Itâ??s a 12-24 stud, so youâ??d want a 24TPI file,
no?
â??
Tom Coradeschi
tjcora@icloud.com
> On 17 Sep 2022, at 3:32 PM, Pat Horne <patintexas@icloud.com> wrote:
>
> See if you can find a 12TPI thread file. You start filing where the threads
> are mostly good & keep filing over the damaged threads until you reach the
> end. If you want to, you can then run a standard 12-24 die onto it
> afterwards. I got a set of SAE & metric decades ago from J. C. Whitney - May
> they Rest In Peace.
>
> Peace,
> Pat
>
> Pat Horne
> We support Habitat for Humanity
>
>
> On Sep 17, 2022, at 1:55 PM, john niolon <jniolon@att.net> wrote:
>
> 
> Help machinist and mill wright type people
>
> I have a output stud in an alternator case that the beginning threads are
> stripped/galled/messed up from someone trying to force a metric nut on it.
> the stud is about
> 5/8" long and the majority of the threads are good.
>
> I can't seem to get a 12-24 die started so I know it will true up the
> existing threads. I see they make adjustable dies on the net... can I use
> that to slide over the bad threads
>
> the adjust the bolt in the die to sit right on the stud then thread it back
> over the bad threads ?? I just hate to send 20 bucks for the die if it
> won't do what I want...
>
> Any experience doing this ??
>
> thanks
> john
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