MK Diamond 157706 MK-290 1-3/4-Inch HSS Premium tile/Marble Core Bit
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<b>[Product Information]</b><br>
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<li>1 3/4 inch diameter</li>
<li>Turbo-style diamond rim</li>
<li>Designed to cut clean, smooth holes through all ceramic tile and marble</li>
<li>Replaceable pilot drill prevents bit from wandering when starting hole</li>
<li>Can be used wet or dry</li>
<li>Core bit can be used wet or dry to cut clean, smooth holes in ceramic tile or marble</li>
<li>Best used wet to prevent heat build up for deeper holes</li>
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