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Diamond drilling of porcelain tiles

gather.com — There are now two methods to cut holes which are described below 1) Drilling rigs: In this method the hole is cut using an electric drill fitted with equipment consisting of a pilot drill bit, an arbor and a diamond crown . Prior to making the hole the installer selects the correct sized crown. He attaches a pilot drill into the center plus an a

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  • 365drills, on 10/12/2007, -0/+0Thank you for reading

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