The Hillman Group 330201 5/16-18 x 1/2-Inch Socket Head Cap Screw， Coarse Thread， 100-Pack</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>High-torque capability</li><li>Ideal for use in confined areas where the head needs to be flush or below the surface</li><li>For mechanical applications</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/31XbNHGcQEL.jpg' noproxy></br>