Enlarge An Existing Hole In Ceramic Tiles - Tiling, ceramics, marble - DIY Chatroom Home Improvement Forum

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Old 08-19-2012, 01:17 AM   #1
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Enlarge an existing hole in ceramic tiles

I have a bath tub spout that needs to be replaced.

In order to install the new spout I need to thread a male adapter into the wall (it was using a nipple previously). The male adapter is slightly bigger in diameter and the tile on one side is too small.

I have a diamond hole saw to do it, but there is an existing hole so the bit has nothing to bite into. Since it's tiles I can't screw a piece of scrap wood to start it off.

Any ideas?


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Old 08-19-2012, 01:26 AM   #2
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Roto zip with a tile bit will open it up.


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Old 08-19-2012, 08:08 AM   #3
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yeah, the tile bit will work well. i use one in a dremel.
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Old 08-19-2012, 08:42 AM   #4
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mount something in the hole for the hole saw to bite into. you don't have to fill the whole hole, just the part the hole saw needs.
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Old 08-25-2012, 10:50 PM   #5
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Like bbo sed only mount a scap of wood on the back side of wall if you can get to it and if the bit is long enough.
My vote is with joe and fixin it.
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