DEWALT DW5574 5/16-Inch Diamond Drill Bit
</br></br>
<div style="text-align:left">
<b>[Product Information]</b><br>
<ul>
<li>Diamond Welded Tip for Greater life and Durability</li>
<li>Reverse Spiral Thread Delivers Continuous Water Feed for Longer Life and Increased Speed</li>
<li>Core Ejection Slot Removes Plug for Repetitious Holes</li>
</ul>
</div>
</br></br></br></br></br></br></br></br></br></br>

</br></br></br></br></br></br></br></br></br></br>
<img src='http://ecx.images-amazon.com/images/I/41YusLVSnDL.jpg'></br>