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The Unifix Socket Head Cap Screws are designed for professionals and hobbyists who require high-strength, reliable fastening in industrial or mechanical assembly projects. These screws excel in tight spaces where a standard hex bolt head might not fit, providing a secure, flush finish. Please note that they require specific Allen key tools for installation, which are not included in the purchase.
| Colour | Grey |
|---|---|
| Model Part Number | A2-70 |
| Brand | Unifix |
DIN 912 is a German industrial standard for hexagon socket head cap screws, ensuring they meet specific quality and dimension requirements.
While the material is strong, standard steel may rust if exposed to moisture; if you are in a wet environment, consider stainless steel alternatives.
You will need a standard metric Allen key (hex wrench) that matches the socket size of the screw.
Most standard steel screws of this type are ferromagnetic and will react to magnets.
If the threads and the hex socket are not deformed, they can generally be reused, but for critical structural applications, it is best practice to use new hardware.
Ensure you are using the exact size Allen key and that it is fully seated in the socket before applying torque.
Check the hole alignment and ensure there is no debris or burrs in the thread path; reverse slightly and restart to avoid cross-threading.
To ensure the longevity of these fasteners, always use the correct metric hex key size. Applying a small amount of machine oil to the threads before installation can prevent binding, particularly if driving the screws into metal substrates. While these screws are designed for durability, avoid over-tightening with power tools, as this can lead to stress fractures or stripped threads. Keep them stored in a dry environment to prevent oxidation and ensure they remain clean and ready for your next project.
