You'll get the best results when drilling ceramic, porcelain, or concrete with a masonry bit tipped with carbide or diamond. A carbide bit will be slower going than diamond. You can also use a ...
As I'm redoing my bathroom, I've come across the first major challenge that I cannot figure out. I have a 12" porcelain tile. Actually, I have 2 of them. One tile needs a circular hole that is 4.5" in ...
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