Toolocity SCB0012D  1/2-Inch Monster Dry/Wet Diamond Granite/Concrete Core Drill Bits/Hole Saws
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<b>[Product Information]</b><br>
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<li>Designed for drilling granite and concrete</li>
<li>5/8" thread fits on polishers/ grinders</li>
<li>Lasting for dozens of holes depending on materials</li>
<li>use wet or dry</li>
<li>recomended speed 3000- 6000 RPM</li>
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