Startech.com CABSCREWSM6 M6 Mounting Screws. 50 Pkg M6 Mounting Screws for Server Rack Cabinet. The 50-Pack of M6 Mounting Screws for Server Racks and Cabinets is ideal to have available for installing servers, network equipment, A/V equipment and other rack-mountable devices securely into your storage cabinet or server rack. This package contains stainless steel mounting screws only, cage nuts sold separately - See Related Products Tab. M6 Mounting Screws. 50 Pkg M6 Mounting Screws for Server Rack Cabinet