I'd be guessing if I said carbide masonry bit. I'd contact the countertop
guys first. Drilling the cast iron sink is another challenge to keep the
porcelain from breaking away in big chips. I'd be looking for other ways
to achieve whatever you are trying to do.
They make drills just for glass, where the rake and angles minimize
You'd proly be best off just switching to regular HSS drill for the sink,
which may or may not have trouble with any porcelain coatings, but it should
get through. Do *not* use oil when drilling cast iron.
Quartz ountertop??? Sound nice, exotic. What color? Where do you get
Its what the builder called Zero Maintenance granite. Its made by a company
named Avanza. A similar product is Silstone.
Its an engineered stone with a quartz base. Has the look of granite with
excellent stain resistance with no need to seal.
I'm trying to add a filtered water spigot but have put it off for years
because I didn't want to mess with drilling this stuff.
The boss is REALLY ready for one now because she HATES the PUR filters on
the water faucet.
Time to dive in. :)
Engineered stone, to me, means that it is stone in plastic and probably
similar to Corian where you can google up stuff like this with specific
replying to Frank, RYAN wrote:
Quartz is definitely not Corian... Corian is acrylic and Avanza is ground up
basically ground up granite and glued back together. Great in kitchens as there
is no maintenance like with granite... but it is much more durable than Corian.
Easy solution. Install a whole house type filter under the sink for the
cold water line. All the cold water will be filtered and taste good with no
additional holes needed. I change the cartridge every three months or so.
If you have access from the basement, install the filter there as it is
easier to work there. Problems solved.
On TOH, they use a dam made from from clay, or cardboard and tape, and
the gofer stands there and squirts water(?) from a lab bottle on the bit
as it turns. If it is a big cut, a second gofer uses a suction line on
the other side.
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