The Hillman Group 280322 5/16-Inch Flat Washer Hardened， 100-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Flat washers are ideal for increasing the load bearing surface under a fastener's head by distributing the load through the washer</li><li>These washers help to prevent bolts or nuts from pulling through a surface</li><li>Grade 8 washer</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51LFtWUpfdL.jpg" noproxy>