Review on 5/8 Inch Diamond Finger Milling Bits For Enlarging Holes On Porcelain Tile Ceramic Marble Granite - Raizi 1 Pc by John Kahsar

Name: 5/8 Inch Diamond Finger Milling Bits For Enlarging Holes On Porcelain Tile Ceramic Marble Granite - Raizi 1 Pc
Item: 5/8 Inch Diamond Finger Milling Bits For Enlarging Holes On Porcelain Tile Ceramic Marble Granite - Raizi 1 Pc
Rating: 4

June 09, 2023

Works as expected in my review

I needed to grind our porcelain sink faucet hole about a 1/4” bigger. It worked out well. Quite pricey though for a grinding bit, but compared to other grinding bits pricing, it’s about the same.
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Pros

This bit is great for smoothing the edges of an existing hole. this is not for making holes.

Cons

The product may not work effectively on harder materials, such as quartz or granite

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Comments (1)

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Josh Endricko

July 15, 2023

I needed to enlarge three holes in existing tiles, increasing the diameter by about 1/4". This diamond bit, in my old Black and Decker angle grinder did the job in short order and without cracking the tile. I should add that the tile was mounted on old ferrocement backing (expanded metal and cement motor). It enlarged the backing material as well. Very pleased.

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