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The Unifix Socket Button Head Screws (M12 x 40) are precision-engineered fasteners designed for professional contractors and DIY enthusiasts who require high-strength, reliable connections. Featuring a durable silver finish and conforming to ISO 7380-1 standards, these screws offer excellent corrosion resistance and standardized fitment; however, users should ensure they possess the correct hex key size for socket-driven installation to avoid stripping the bolt head.
| Colour | Silver |
|---|---|
| Model Part Number | 5014196665306 |
| Brand | Unifix |
This screw features a standard M12 thread diameter.
It is an international standard that specifies the requirements for button head screws, ensuring universal compatibility.
Yes, their material composition provides corrosion resistance suitable for many outdoor applications.
You need a standard metric hex key (Allen wrench) that corresponds to the internal drive size of an M12 button head screw.
Depending on the specific steel grade used, they may exhibit mild magnetic properties, which is typical for stainless steel fasteners.
Check for debris in the threaded hole or cross-threading; back the screw out and try re-aligning it.
Verify you are using the correct size metric hex key and that the tool is not worn; if the socket is damaged, replace the screw.
To install, select a compatible hex key that fits the internal socket of the M12 screw. Ensure the bolt is inserted perpendicular to the surface to prevent cross-threading. If using these in outdoor or high-moisture environments, consider applying a light coat of anti-seize lubricant to the threads to maintain ease of future removal. Avoid using power impact drivers at high speeds, as this may heat the metal and increase the risk of the hex socket deforming. Regularly inspect the hardware every six months if used in high-vibration environments to ensure no loosening has occurred.
