MAGBIT 704.0816 MAG704 1/2-Inch by 13-Inch Single Spur Auger Bit</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>High grade steel 1045 carbon steel for a longer life</li><li>Use when a 6-Inch bit is too short and 18-Inch is too long for the hole</li><li>Quick change 7/16-Inch hex shank for use in quick change chucks or standard chucks</li><li>self feeding screw point for faster hole starts and easier cutting</li><li>Machined on a center post for a stronger more rigid bit</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/21eShuBbBcL.jpg' noproxy></br>