Fountain pen caps and barrels use triple lead threads. With 1 and a
half turns you get 4 and a half threads engaged.

Glen Reeser


--- In southbendlathe@yahoogroups.com, Steven Brown <sbrown04@...>
wrote:

Some Jorgensen light weight bar clamps.
Steve
On May 30, 2006, at 7:00 AM, pupdieselluv wrote:

Breech block on an artillery piece...
Eric
--- In southbendlathe@yahoogroups.com, RichD <cmsteam@> wrote:
>
> Mike,
> think leadscrew.
> Used in automatic machines for fast positioning.  CNC,

printers,

etc.
> RichD
>
> Mike wrote:
> >
> > I understand from your messages WHAT a multi start thread

is but

when
> > would you use one? I've never heard of it before.
> >
> > Mike.
>







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