Black oxide phillips pan head 12-24 X 5/8 in., coarse thread, steel machine screw for use in relay racks. Bag of 25 screws. For reference, 12-24 is a #12 screw with 24 threads per inch. 12-24 Screws are used for most dual post pre-threaded relay racks, also known as distribution racks.
10-32 cage nuts are used on most Dell racks and audio racks. These cage nuts snap into the industry standard 3/8" square holes found on racks and cabinets. Bag of 25 pieces.