The bore depth on the plate can vary as much as you like, however as your image shows, the thread size is a standard which you should match. In contrast, a spacer is an unthreaded piece of tubing which lets the entire bolt pass through. Source Motherboard Standoff Heights? Some sources say the standoffs are to for the threads, some say its to M3. The UNC screws are often found on 3. From experience over many years, they are all standard threads and size, but not length, that varies by case manufacturer. If the motherboard screw is difficult to remove from the standoff, even when using pliers, do not use grease or oil to attempt to loosen the screw.

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The UNC is a thicker screw mptherboard a more coarse thread. Size is used to secure cables to external computer ports, and size is used for motherboard mounts. Source Motherboard standoff dimensions From experience over many years, they are all standard threads and size, but not length, that varies by case manufacturer.

Most cases give you access to the underside of the motherboard by removing the opposite side of the case. You can get ATX standoffs in a huge motheeboard of sizes and shapes as well as materials by sizes I mean the length of the thread as well as the ‘nut’ can vary how ever the width. Was this page useful?

These standoffs act as spacers between the motherboard and case, to prevent the motherboard from shorting out by touching the metal in the solder points to the metal of the case. Retrieved November 16, DavidPostill I am asking people who have had the same problem for which sizes of screw and standoffs that can be used for attaching ATX motherboards to computer cases.


What are the dimensions for the standoffs and screws used for mounting an ATX motherboard to the computer casing? Other materials including brass, aluminum, nylon and various plastics are also used for applications with particular physical or aesthetic requirements.

Motherboard screw stuck in standout

Although there are numerous manufacturers of computer cases, they have generally used three thread sizes. Motherboard screw stuck in standout Updated: They are commonly used for the following purposes, however there are many exceptions:. Please help improve this article by adding citations to reliable sources. Hardware Recommendations appear to be for shopping for consumer electronics.

Spacers and standoffs – Wikipedia

The M3 threaded holes are often stabdoff on 5. This page was last edited on 28 Octoberat You may want longer stand offs if you want to run cabling between the motherboard and the back plate, especially if you’re using a case which doesn’t have much room behind the back plate for cable management.

The standoff provided has to be a minimum of 6. By using this site, you agree to the Terms of Use and Privacy Policy. Sometimes threaded or snap-lock plastic standoffs are used, which are less secure, but equally useful in a stationary computer. Hold on the standoff on this side of the case.

Computer case screws

Sometimes a Torx drive is used instead. They are almost always provided with a 2 Phillips drive. When removing a motherboard from a computer case, it is necessary to remove all screws securing the motherboard inside the case.


In other words, the thread will either depend on the case, motjerboard one exists, or otherwise it just needs to match between the screws and the socket.

Motherboard screw stuck in standout

Computer case screws are the hardware used to secure parts of a PC to the case. Steel is by far the most common material used, frequently with a plated or anodized finish. Because they are used in places where high torque is not required and easy removal and replacement may be desirable such as on the side panels of the PC casethey are frequently available as thumbscrews with larger, knurled heads that can be removed with one’s fingers or tools.

In electronics they are frequently used to raise a printed-circuit board above a surface.

Motherboard manufacturers and case manufacturers are a better source for answering this question. Post Your Answer Discard By clicking “Post Your Answer”, you acknowledge that you have read our updated terms of serviceprivacy mofherboard and cookie policyand that your continued use of the website is subject to these policies.

It also allows a better airflow behind the motherboard in my opinion. Super User works best with JavaScript enabled.

To do this, using a pair of pliers needle-nose pliers will probably be the easiest to usehold the standoff in place and with a screwdriver, unscrew the motherboard screw. The screw will be separated from the standoff.