AC Infinity Carbon Steel 12/24 Rack Screws and Nylon Washers. 50-piece set for equipment server racks， enclosures， and cabinets.<div style="text-align: left;"><strong>[Product Information]</strong><ul><li><span class="a-list-item"> Phillips truss-head screws with self-guiding Pilot Point design. </span></li><li><span class="a-list-item"> High-grade carbon steel construction prevents stripping. </span></li><li><span class="a-list-item"> Corrosion and rust-resistant black zinc chromate plating. </span></li><li><span class="a-list-item"> Pre-installed nylon washers to avoid scratching equipment. </span></li><li><span class="a-list-item"> 50 piece screw and washer set; 12-24 threaded， 3/4” long. </span></li></ul></div><img src="http://ecx.images-amazon.com/images/I/51p8iLmV4RL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/41Pmj2Sb7pL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51MQkQQAd5L.jpg" noproxy>