The Hillman Group 59464 4-40 x 1/4-Inch Nylon Binder Head Machine Screw， 75-Pack<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Fasten with a screwdriver to reduce the risk of over-tightening to protect the screw and fastened material</li><li>If nuts are needed， use with nuts of the same finish and threading for proper fit</li><li>Made of Nylon</li></ul></div><img src="http://ecx.images-amazon.com/images/I/21h8zeLR9FL.jpg" noproxy>