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The Unifix A2-70 Socket Button Head Screws (M8 x 30) are an ideal fastening solution for professionals and DIY enthusiasts requiring high-strength, corrosion-resistant hardware for mechanical assemblies. These screws offer a sleek, low-profile finish suitable for automotive, furniture, and engineering projects, though users should ensure their tools are compatible with the specific internal hex drive to avoid stripping.
| Colour | Grey |
|---|---|
| Model Part Number | 1264447 |
| Brand | Unifix |
A2 refers to the grade of stainless steel (typically 304), and 70 refers to the minimum tensile strength of 700 MPa.
Yes, they are suitable for general outdoor use, but they should not be used in marine or highly salty environments, where A4 grade stainless steel would be required.
Yes, this product is supplied in a box of 200 pieces.
The head follows the ISO 7380-1 standard for an M8 screw, which typically has a head diameter of 14mm.
You will need a standard hex key or Allen wrench that fits an M8 socket button head screw.
Ensure you are using the correct size hex bit and that it is fully seated in the socket before applying force.
Verify the thread pitch of your workpiece matches the M8 metric standard and clear any debris or paint from the threads.
Clean the surface with a non-abrasive stainless steel cleaner to remove contaminants; ensure the environment is not too harsh for A2 grade steel.
For optimal installation, ensure you use a high-quality hex key or power drill bit specifically sized for the M8 socket. Do not over-torque, as this can potentially strip the internal socket or damage the threading in softer base materials like aluminum. While A2-70 stainless steel is highly durable, avoid contact with heavy-duty chemical cleaning agents that may affect the surface finish. For threaded connections, you may apply a light machine oil or anti-seize compound if the screws are intended for use in assemblies that require frequent removal.
