The Hillman Group The Hillman Group 1142 Flat Speed Nut 4-40 In. 60-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>This nut serves the functions of both a lock washer and a nut</li><li>Most speed nuts are reusable</li><li>We carry a wide variety of sizes and material</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41wcs3ANRZL.jpg" noproxy>