Hillman 44749 10-24 x 3/4-Inch Steel Binding Posts with Steel Screw， 20-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Also referred to as a Chicago screw</li><li>Recommended for use as an industrial fastener</li><li>Steel construction</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41ib3KSDXzL.jpg" noproxy>