Middle Atlantic ERK-RR21 21U RMS Rack Rail for ERK Racks, 10-32 Threaded

Optimize rack deployments with the Middle Atlantic by Legrand ERK-RR21 21U RMS rack rail kit — engineered to deliver secure, reliable mounting for servers, networking gear, and security or surveillance equipment. These heavy-gauge rack rails use 10-32 threaded mounting holes to provide positive, repeatable attachment for rack-mounted devices, reducing vibration and movement in busy server rooms and monitoring stations. Sold as a pair and including all required mounting hardware, the ERK-RR21 streamlines installation on EIA-compliant 19" stand-alone or gangable racks. The rails measure 21U (21RU) and feature a durable black e-coat finish to resist wear in AV, IT, and security environments. US-manufactured and backed by a lifetime limited warranty, this mounting rail kit is particularly useful for integrators and facility managers deploying surveillance, access control, and network infrastructure where secure, professional rack organization matters. Specify the ERK-RR21 for retrofit or new builds to simplify equipment mounting and improve cabinet reliability. Order now to standardize your racks for secure monitoring and networking installations.

• Secure, threaded 10-32 mounting that keeps servers and security gear firmly in place
• Sold in pairs with all mounting hardware included for fast, hassle-free installation
• Heavy-gauge steel with durable black e-coat finish for long-lasting protection in high-use racks
• 21U (21RU) height provides full support for standard 19" EIA equipment in stand-alone or gangable racks
• Ideal for IT, networking, security and surveillance deployments — supports monitoring and AV equipment
• Lifetime limited warranty and US-made quality for dependable, long-term installations