ITM CI-82-2064  82-Degree Single Flute Counter Sink (1 Pack)， 5/16"</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>M2 - High Speed Steel</li><li>1/4-inch Shank</li><li>5/16-inch Single Flute Counter Sink 82-Degree</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/31HkRo9d3%2BL.jpg' noproxy></br>