[modeleng] Re: coarse threads

What am I saying?  The Math part of my Brain is not
working today!!

Al Messer
--- Allen Messer <al_messer@xxxxxxxxx> wrote:

> Well, you could rifle gun barrels with a 1 in 12
> twist
> with it.
> 
> Al Messer
> --- Alan Stepney <alan@xxxxxxxxxxxxxxxx> wrote:
> 
> > I am restoring an old lathe.
> > 
> > The thread cutting chart attached to its lists
> > threads down to 2 and 1tpi.
> > What on earth would use those?
> > 
> > Alan Stepney
> > 
> > http://www.alanstepney.info
> > Model Engineering & steam engine information pages
> > 
> > MODEL ENGINEERING DISCUSSION LIST.
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> 
> 
>  
>
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