Black oxide phillips type 10-32 X 1", fine thread, truss head steel machine screw for use in relay racks. Bag of 25 screws. For reference, 10-32 is a #10 screw with 32 threads per inch.10-32 Screws are used on most wall mount brackets, including all of ours, most Dell racks and audio racks.
Black oxide phillips type 6-32 X 1 x 1/4", fine thread, truss head steel machine screw.
12-24 X 3/4" Phil/Slot Combo Pan Head Steel Black Oxide, Bag of 25 (Screws for Vertical Wire Management Bracket)