Drilling Through Tile - Not What You Think - Concrete, Stone & Masonry - DIY Chatroom Home Improvement Forum

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Old 10-24-2013, 04:02 AM   #1
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Drilling through tile - not what you think

This probably isn't what you think. I successfully drilled through glazed ceramic tile in order to install a curved 90 degree shower curtain rod. So I did the research for the correct drill bits, techniques, bit cooling, etc. Got that accomplished just fine.


The bit won't go any further after it has gone through the tile! I need around an inch to insert the anchor, but only getting through about 1/4 inch. Just through the tile but not what's behind it. Weird. I thought maybe I burned the bit out. It didn't look like it, but I tried a different bit, and same result.

I even tried a regular (non masonry) bit in case there's something back there that a masonry bit doesn't handle well. No luck.

I'm in Thailand, and so it's a concrete house--I think due to humidity they don't built with wood much. I expected to drill through tile and continue on in to concrete. But everything came to a halt after getting through the tile.

So I'm flusterpated and confusinated. Anyone have any ideas?

Thanks! (I'm hoping I chose the correct subject forum for this question)


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Old 10-24-2013, 04:38 AM   #2
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Did you hit some steel?


Pugsy.....my project: Total House Rebuild Bungalow to Two Story
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Old 10-24-2013, 04:51 AM   #3
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That's all i can think of. Why there would be steel back there escapes me. I'm going to put a penlight in there and see if anything is visible.

It -is- near the window frame. But from what I can tell by looking at the window, I can't see that it would have a support embedded as far in as where I'm drilling. Or if it did, why it woud be thick steel... It's just a little aluminum shower/exhaust window.

Thanks for your reply and I'll let you know if I find something out!
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Old 10-24-2013, 05:19 AM   #4
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Old 10-24-2013, 09:11 PM   #5
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Even if it is steel you should be able to drill through it with a good quality bit.
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Old 10-25-2013, 04:29 AM   #6
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IF its rebar, probably 3/8" min but more likely 1/2",,, IF you can hit it dead ctr, its ' drillable ' - off center & bits ' slide ',,, good luck !


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