Server Rack

Universal Mounting Rails EIA Standard 10/32 Tapped  Mounting Rails

Rack Mount Rails: We can manufacture server rack enclosures with either Universal Mounting Rails (square holes fitted with cage nuts) or with EIA Standard rails (10/32 tapped holes). All our cabinet rails are high quality gauge steel (1/8" thick or more) and have an electroplate finish to maximize protection. Universal Mounting Rails: Universal rails will support 19" EIA width rack mount and networking equipment and almost all sever equipment. Cage nuts and screws will be needed in order to mount equipment to universal mounting rails. EIA Standard Mounting Rails: Standard Mounting Rails support 19" EIA width rack mount and networking equipment and some sever manufacturer's rack mounting equipment. Please be aware that not all rack mountable equipment will match up against the EIA 1032 hole pattern on Standard Rails. Standard mounting rails will not allow the use of Cage Nuts. Which Mounting Rails do I need? It depends on the equipment you will be mounting in the rack enclosure. Most rack mount and networking equipment such as hubs, routers, patch panels, etc. will conform to EIA Standard hole spacing. However, some sever and rack accessory manufacturers will implement rack mounting kits to assist with attaching equipment to Universal Rails. With this example, proper cage nuts and screws will most likely be needed in order to mount this type of rack mount equipment in one of our server cabinets.

Mounting Hardware
There are currently 3 types of Mounting Hardware used with our server cabinet rails:
10-32 Tapped Cage Nuts and Screws - American Version - Commonly used in all rack mount applications including music, video, broadcast, data and more.  The "10" refers to the drill size for a tapped (threaded) hole. The outside diameter of a 10-32 screw is 0.19", it is smaller than a 12-24 screw. This screw type has 32 threads per inch.
12-24 Tapped Screws - American Version - The "12" refers to the drill size required for a tapped (threaded) hole (a #12 drill is 0.189"). The outside diameter of a 12-24 screw is 0.2160". It is larger than a 10-32 screw.  This screw type has 24 threads per inch

M6 Tapped Cage Nuts and Screws - Metric Version - Metric thread size of 6 millimeters. Typical thread size for European rack applications. Also used in Compaq racks and Euro racks sold here in the US. Larger than both 10-32 and 12-24.
What mounting hardware do I need?
It depends on the mounting rails of the rack enclosure or relay rack you will be ordering. Most 4-Post server racks, cabinets, LAN enclosures either use Cage Nuts and Screws for square hole type Universal Mounting Rails or 1032 tapped screws for round hole style EIA Standard Mounting Rails. Please be aware that almost all 2-post open relay racks use 1032 Tapped Screws (round hole mounting rails).