Hillman 812050 Hot Dipped Galavanized Hex Lag Screws， 5/16 X 5-Inch， 50-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>The length of a lag screw is measured from the underhead bearing surface to the tip of the screw</li><li>Hex head is easily driven with simple wrenches and requires minimal clearance above the fastener</li><li>Hot Dipped Galavanized</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31Jpy3AIRnL.jpg" noproxy>