The simple guide to drilling a hole in natural stone | Salvatori
Scratch the surface. Dampen the surface you are working on. Avoid drilling into any hairline cracks or fossil-like elements of the stone. Maintain a safety margin of at least 8 mm from the edges of a tile or piece of stone. As we have already said, using a drill jig or guide is always advisable, but if this is not possible, or if the surface is ...
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