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Unifix Socket Head Cap Screws - Silver

Unifix Socket Head Cap Screws - Silver

The Unifix A2-70 Socket Head Cap Screws are engineered for high-strength industrial fastening appl...

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GreySilver

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Unifix A2-70 St/St Socket Head Cap Screws M6 X 25 - Box Of 200 - Grey

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The RangeUnifix A2-70 St/St Socket Head Cap Screws M6 X 25 - Box Of 200 - Grey
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eBayUnifix A2-70 St/St Socket Head Cap Screws M6 x 25 - Box of 200
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OnBuy.comUnifix A2-70 Socket Head Cap Screws M5 X 10 - Q209120000500010000 - Box Of 500 5014196343822
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DebenhamsUnifix Unisex Silver A2-70 St/St Socket Head Cap Screws M6 X 25 - Box Of 200 In
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B&QB&Q - A2-70 St/st Socket Head Cap Screws M6 X 25Q209120000600025000Box Of 200
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Product Information

Full details

The Unifix Socket Head Cap Screws are precision-engineered fasteners designed for professionals and DIY enthusiasts requiring reliable, high-strength connections in industrial or mechanical projects. Featuring a durable A2-70 grade stainless steel construction, these screws offer exceptional corrosion resistance for long-term reliability; however, users should ensure they have the correct metric hex key size to match the socket drive to prevent stripping.

All features

ColourSilver
Model Part NumberA2-70
BrandUnifix

Extended Product Information

FAQs

What does A2-70 mean?

A2 refers to the grade of stainless steel (similar to 304 grade), and 70 indicates the minimum tensile strength of 700 MPa.

Are these screws suitable for outdoor use?

Yes, their A2-70 stainless steel construction offers excellent resistance to atmospheric corrosion, making them suitable for most outdoor applications.

Do I need a special tool to install these?

You need a standard metric hex key (Allen wrench) that matches the size of the socket head.

Are these screws magnetic?

A2-70 stainless steel is typically non-magnetic or only very slightly magnetic due to the cold-working process used in manufacturing.

Can I reuse these screws?

Yes, provided the threads are not damaged and the socket head is not stripped, they can be reused for non-critical applications.

Troubleshooting

Hex key slipping in the socket

Verify that you are using the correct metric hex key size and that the key is not worn or rounded.

Screw is difficult to thread

Ensure the hole is properly tapped and free of debris; do not force the screw if resistance is felt to avoid cross-threading.

Pros and Cons

Pros

  • High corrosion resistance due to A2-70 steel
  • Precise fit compliant with DIN 912 standards
  • Easy to install and tighten with hex keys
  • Reliable performance for high-torque applications

Cons

  • Requires specific hex key sizes for installation
  • Not suitable for extreme marine or chemical environments compared to A4 grade
  • May require pre-drilling or tapping in certain materials

Setup, Compatibility & Care

To install, ensure the mating surface is clean and the threaded hole is correctly tapped for the specific metric diameter. Insert the screw into the hole and use a high-quality hex key to drive it until firm. Do not over-torque, as this can potentially damage the internal threads of your workpiece. For long-term care, while these screws are corrosion-resistant, they should be kept clear of salt spray or harsh acidic chemicals. Regularly check the tightness of the screws during periodic maintenance of your equipment.

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