On Apr 22, 1:08�pm, Bill wrote:
In article
,





�Sheldon wrote:
On Apr 22, 11:07?am, "Dan L." wrote:
In article
,

?Sheldon wrote:
Billy wrote:

I have a ceramic pot that looks to be about ten gallons in size and it
doesn't have a drain hole at the bottom.

Do not attempt to do this job with a large masonary drill, almost
guaranteed to FIU.

Search tungston carbide grit hole saw.

http://www.holesaws.com.cn/products/...aw/gritsaw.htm

http://www.mytoolstore.com/mkmorse/tcg.html

With pottery use the small pilot hole to cut from both sides.

Hmmm...

Do not attempt to do this job with a large masonary drill, almost
guaranteed to FIU.
With pottery use the small pilot hole to cut from both sides.

I agree.

You could use rotary dremel drill.

What is it... aren't all drills rotary by default? �Your link below
doesn't work, even when I search at the dremel.com web site no rotary
drill comes up.

http://www.dremel.com/en-us/Projects...ts/Pages/detai....
px?pcpid=4

�Sheldon. �There is a device called a star drill. �Uses a hammer or a �
sledge hammer. I used one to punch holes in my basement floor. �Also
does concrete blocks.
Not applicable for Billy's job for sure.

I know what a star drill is, I've used them, all sizes... still they
are rotated after each hit... that's why they are called a star drill
rather than a star chisel (although I've seen them listed as star
chisels too).

There are many ways one can make a large hole in pottery but I think
the type of hole saw I indicated works best (pretty much idiot proof),
that's what's used by various trades people for making holes in
various hard brittle glass-like materials. If one is skillful and
very experienced with machine tools a trepanning tool will work too.

http://www.encyclopedia.com/doc/1G1-14171429.html