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$12 at Lowes. Finally had to break down and buy the $40 thicker Rotozip diamond bit. However, it didn't even get me 1/2 way before it lost it's cutting ability. I was ticked, especially since this is the second one I've tried. I had some thicker tile, but light glazing and it was a wall tile, but I suppose it could be floor tile also.
So, based on the tile package and Rotozip XB-TC1 Tile cut X Bit packaging, it sure looked like it should have worked. I was cutting a 1 1/2" circle for a pipe. ($24 so far). Rotozip is great overall, just DO NOT USE this bit ON THICKER TILE. It did not say floor tile.
Initial entry hole went well working it around as I went through the tile. Hope my mistake won't be yours. I was going slow and worked it up and down.
This cutting bit is good at cutting only thin ceramic tiles such as ceramic wall or counter tiles, not the typical thicker floor tiles. Note the packaging does not tout any claims as to special alloy. As the quality of the metallurgy is inferior than those made with molydenum-vanadium alloy, this bit is priced accordingly less. Be warned. The cutting metallurgy appears to be a harden steel-alloy instead of embedded diamond or silicon-carbide. Unless your ceramic tiles are soft, you may find yourself buying several cutting bit. Consequently, if you use it to cut many tiles, the bit won't last.
Roto Zip and anything to do with it are the greatest things since sliced bread. I'll buy again from this seller. This transaction and all my RotoZip transactions are fantastic.
This drill bit worked great. Made a lovely round hole in the tile just where I wanted it.
I use this in my Dewalt rotary tool (dw455)., I had to change the collet, no biggee. But again cannot be beat for cutting odd or radius shapes. Really does a nice on radius'. I freehanded some sink tiles, I have yet to master a straight cut but a tile cutter still faster anyway.
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