ProX X-50SDR 50 Pack of Screws and Nuts for D Series Panel Rack Connectors (M2.5 -0.45 x 8mm) Phillips. This pack of 50 mounting screws and nuts, is everything you need to fasten your D Series panel connectors. It comes with 50 2.5-0.45 x 8mm Phillips Screws. It's perfect for mounting connectors to Rack Cases, Panels, and other mounting accessories. It's protected against the weather and cold temperatures. Ideal for Mobile DJs, Stage and Lighting, Musicians, Guitar Players, Pedal Boards, IT rack cases, and more.