Hillman 811635 Hot Dipped Galvanized Hex Bolt， 1/2 X 10-Inch， 25-Pack</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>They require a pre-drilled hole with compatible female thread</li><li>Hex Bolts feature a six-sided head， which is designed to be tightened using a wrench or drill</li><li>Hot Dipped Galavanized</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/31oJPPCRkPL.jpg' noproxy></br>