The standard socket screw size is generally M3.5 (3.5mm) diameter.
While the diameter is typically standardized, the length of the screw can vary depending on the specific socket and application. It's crucial to measure the length of an existing screw if possible to ensure a proper fit when replacing it. If you've lost the original screws, try carefully removing one from a similar nearby socket or switch to determine the correct length. Using a screw that is too long can damage the device or the wall box, while a screw that is too short won't provide a secure connection.
Therefore, to be precise:
- Diameter: M3.5 (3.5mm) is the standard diameter.
- Length: Varies; measure an existing screw or estimate based on the socket depth and the thickness of the mounting ears on the device.
Important Note: Although M3.5 is the most common standard for modern sockets, it is advisable to check the specific requirements of your socket to confirm the correct screw size.
