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Calling all handymen!
We have two terra cotta wine-coolers, which SWMBO now wants to use as pots for plants.
Thusly, she has requested that I drill drainage holes in their bases.
Any hints?
I don't want to shatter or damage them in the process, so I assume the hammer-drill is out.
Would it be advisable to use masking tape both sides to avoid break-out & chipping... I'd like to be able to show her neat holes.
What size drill would be advisable for the finished product? (The coolers are about 10cm [4"] diameter.)
Several small holes around the rim, or one large central one?
Pilot holes before reaming out?

Now, don't all rush me with conflicting advice... I'm easily confused.

Diamond hole saw.
Only way to go! Just don't tell SWMBO they are diamonds!!
http://www.ebay.com.au/itm/10-Pcs-6mm-D ... 3cf74a4209
You local builder/tiler/plumber will probably knock a hole in 'em for a beer!

I would go with the tile drilling bit - a flat bladed thing available at most hardware stores.

Sent from my SM-N910G using Tapatalk

7mm Remington Magnum will do it, actually both at the same time, just line them up

I like Wilbors idea but it will make a bit of noise.
The diamond holesaw is the go. The next time you are in Bunnings in Wangaratta, or ???? go to the tile section, ask for a holesaw that is suitable for tap holes in tiles. It will cut about a 25mm dia hole with no problems. Just put one hole in the middle.

I actually did a hole in a terra cotta pot and I used someones cordless drill and went very slowly but I have not said who's drill it was

Dottie,
I didn't notice my drill go missing!
An' ya musta snuck in at night, when the hounds were asleep... (great guard dogs! )


And thanks all for the hints.
I shall ply the proprietor of our local Mitre 9 -1/2 (it's a small store ) with beverages before asking a favour!

Here you go Ray!
Sorry it's maybe too late!
https://www.aldi.com.au/en/special-buys ... bit-set-1/

SUCCESS!!
Slowly, slowly, with a 12mm Tungsten Carbide-tipped drill and the cordless drill at low speed (thanks for that tip).
About 5 minutes for each of the terra-cotta wine-coolers (ex-!).
The old Bendigo Pottery bread crock (on left) was a tough one! The base was almost 3/4 inch thick! Took over 30 minutes to cut through! Fortunately the drill has LiFePo batteries... the one I used just lasted the job.
Thanks all for your hints & tips.

Ray I had to download your photo, open it in Irfan View or Paint Shop Pro and rotate it & resave it. Then upload it again.
Must be something to do with your smart phone or iPad remembering which way is up? lol