[OT] Tool Question

[vze28h54@verizon.net (Chris)]

At 10:38 AM 05/10/2002 -0700, Ron Pieper wrote:
>--- '84 Scirocco <scirocco@macslut.org> wrote:
> > When my father passed away a few years ago, I received all of his
> > tools.
> > There is a tap and die set (Craftsman) and I've never really had any
> > idea
> > what these are for.  Any help?
> >
> > Greg
> >
>
>Taps and dies are used for creating threads.  Taps create threads in
>holes, and dies work on shafts.

Just don't use dies to cut threads for any critical parts, ie, make your 
own bolts.  Threads should be rolled, not cut.  Cut threads provide a fault 
and result in early fastener failure.

Chris

>They're also used for cleaning and
>renewing threads.  A common "good practice" is to run a tap into every
>threaded hole on an engine block during a rebuild.
>
>If you've not used them before and wish to, be sure that you have the
>correct diameter hole before tapping it.  Don't apply excessive force,
>as these are hard but brittle steel and will break.  *Use oil*.  Run a
>tap in maybe a 1/4 rotation, then back it out a little to break the
>chip, then continue, working to form the threads.  It's fa "feel"
>thing.
>
>G/L and HTH,
>
>Ron
>
>
>
>=====
>Cheapass Ron
>"Victor" '87 16V Scirocco
>"Teufelhasen" '93 Cabby <-For sale
>
>If it ain't foggy, TURN OFF YOUR FOG LIGHTS.
>
>__________________________________________________
>Do You Yahoo!?
>Yahoo! Shopping - Mother's Day is May 12th!
>http://shopping.yahoo.com
>
>_______________________________________________
>Scirocco-l mailing list
>Scirocco-l@scirocco.org
>http://neubayern.net/mailman/listinfo/scirocco-l