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This guide is for engineers, technicians, and DIY enthusiasts requiring robust and corrosion-resistant fasteners. The Unifix A2-70 Socket Head Cap Screws offer superior strength and reliability for demanding applications, though their specific M6 x 50 size may not suit all projects. Key features include high-grade stainless steel construction, adherence to DIN 912 standards, and a convenient socket head design.
| Colour | Silver |
|---|---|
| Model Part Number | A2-70 |
| Brand | Unifix |
A2-70 refers to the grade and strength of the stainless steel. 'A2' is equivalent to 304 grade, and '70' indicates a minimum tensile strength of 700 N/mm².
No, A2 (304) grade stainless steel is generally non-magnetic in its annealed state, which is typical for these types of fasteners.
Socket head cap screws are designed for applications requiring high clamping force and a clean appearance. The internal socket allows for tightening in confined spaces.
Yes, the A2-70 stainless steel offers excellent resistance to corrosion, making them suitable for most outdoor applications, though extreme marine environments may require more specialized alloys.
An M6 socket head cap screw typically requires a 5mm hex key (Allen wrench).
M6 refers to the diameter of the screw thread (6mm), while 50mm refers to the length of the screw from under the head to the tip.
Ensure you are using the correct M6 size and that the mating thread is clean and undamaged. Check for cross-threading and back out the screw to restart if necessary.
Verify you are using the correct size hex key (5mm for M6). Ensure the socket head is free from debris. If the socket is stripped, the screw may need to be removed using specialized tools or cut off.
This indicates over-tightening. The remaining portion of the screw may need to be drilled out. Use a torque wrench for future applications to prevent this.
Setup: These screws are designed for direct use. Ensure you have the appropriate size hex key (Allen wrench) for the M6 socket head, typically a 5mm key. Thread the screw into a pre-tapped hole or with a corresponding nut. Tighten firmly but avoid over-tightening to prevent stripping the threads or damaging the surrounding material.
Compatibility: The Unifix A2-70 Socket Head Cap Screws conform to DIN 912 standards, with an M6 thread size. They are compatible with standard M6 nuts, M6 threaded inserts, and M6 tapped holes. Ensure that the material you are fastening into can support an M6 thread.
Care: While A2-70 stainless steel offers excellent corrosion resistance, prolonged exposure to highly aggressive chemicals or saltwater without cleaning may eventually lead to staining or pitting. Periodically inspect the screws for any signs of wear or damage. If cleaning is required, use a mild detergent and water with a soft cloth. Avoid abrasive cleaners or tools that could scratch the surface.
