StarTech.com M6 x 12 mm Rack Screws and Square-Hole Cage Nuts, 100-Pack with Installation Tool, Steel, Black

The StarTech.com CABSCREWM62B is a 100-pack of M6 × 12 mm rack screws with matching square-hole cage nuts and an installation tool, for anyone mounting switches, patch panels, shelves and servers in a 19-inch or 10-inch rack or cabinet with square-hole rails.

Each screw has a pre-installed washer that protects the equipment ears and helps keep the screw tight. The cage nut clips into the square hole of the rail and provides the M6 thread; the supplied tool makes inserting and removing cage nuts quick and saves fingers.

• 100 × M6 × 12 mm screws with pre-installed washers (black)
• 100 × M6 cage nuts for square holes
• 1 × cage nut installation tool

• One screw and one cage nut per mounting hole: a typical 1U device uses four sets, so this pack covers around 25 devices.
• Cage nuts can be moved to any square hole, so you can re-plan the rack without re-drilling or re-tapping.
• The 12 mm length suits standard device ears and shelves on typical rack rails.
• The black finish blends with black racks and equipment for a clean front view.
• Keep a spare pack on site: cage nuts and screws are the first thing to go missing during rack work.

• Racks with round holes or threaded (tapped) holes — cage nuts need square holes.
• Racks or equipment that use M5 hardware.
• Very thick rails or thick equipment brackets where 12 mm is too short to engage the thread fully.
• Mounting heavy servers without their rail kits — screws hold the front ears, they do not carry the full load.