porcelain [Archive] - Ceramic Tile Advice Forums - John Bridge Ceramic Tile


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07-01-2008, 09:22 AM
What type bit to use to drill holes for shower rod, on 3/8 porcelain tile, thin set, and hardy back?or should I use another approach?thanks

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chuck stevenson
07-01-2008, 09:30 AM
Welcome to The JB Forums,

A diamond tipped bit works well.

07-01-2008, 09:32 AM
You'll need a diamond bit for porcelain. Lowes and Home Depot have them. Look for those from Hitachi, in the Tool dept. near the other drill bits, under $20. Follow the instructions including keep the bit wet for extended life.

07-01-2008, 09:52 AM
What about the speed? fast or slow?

07-01-2008, 09:57 AM
Follow the directions which will recommend a sloooow speed.

07-01-2008, 10:26 AM
There are two speeds you can drill at.

1) What Mike said: Slooooooowww!!
2) I-just-cracked-the-tile


07-01-2008, 10:53 AM

07-01-2008, 12:12 PM
finding that "slooow speed" and the speed of "ohh $#%*, I just cracked the tile" is a fine line.

being that the tile Is is supported by thinset & Hardi you have a good chance you won't come close to cracking it. I would drill a smaller pilot hole first before using the size you need.