For use on all types of porcelain tile up to a scratch hardness of 8 Unique wave design allows easier hole entrance and smoother cutting Can be used on granite and marble The 316″ PORC+ bit provides a great pilot hole for the Diamond Hole Saw and...
These small diamond burrs are great for cutting and polishing metal and stone. They are used extensively in carving jade. The 18" shanks will fit Dremel & type rotary tools....
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