[TheForge] Drilling stone

[Jerry Smith]

I drill many stones, mostly gemstones, I use carbide
most of the time. If this is going to be a hole that
is beyond a 1/4 inch or so, you may want to try
diamond bits. Use water or coolant.

Jerry

--- Woolley <wjec at verizon.net> wrote:

> Don, 
> 
> I mounted security bars on basement windows in West
> Phila.  The 
> foundation was granite.  Carbide bits are the only
> thing that would 
> drill thru it.  Buy a few.  I didn't use water.  I
> drilled about 16 
> holes. Major PITA.  Good luck.
> 
> Bill Woolley
> 
> 
> 
> 
> 
> 
> 
> PlumDon at aol.com wrote:
> > My Main Line customer wants a boot scraper in the
> shape of a canary  (Her 
> > small mansion is "Canary Cottage"). No problem
> making the  scraper. She also gave 
> > me one of her driveway Belgian blocks to mount it
> in. My  pretty good 
> > Milwaukee hammer drill doesn't even dent this
> stone. I dont know  what they are 
> > typically cut from but it is REALLY hard.;
> >  
> > Anyone know of a way to drill it or should I just
> try to convince her I  need 
> > to use another stone. 
> >  
> > Kindest thanks for any help. 
> >  
> > Don Plummer
> >
> >
> >
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