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Unifix Socket Button Head Screws - Grey

Unifix Socket Button Head Screws - Grey

The Unifix Socket Button Head Screws are designed for reliable fastening in various applications. ...

Best current price£9.30from The Range

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GreySilver

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Unifix A2-70 St/St Socket Button Head Screws M6 X 16 - Box Of 200 - Grey

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The RangeUnifix A2-70 St/St Socket Button Head Screws M6 X 16 - Box Of 200 - Grey
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£9.30
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eBayUnifix A2-70 St/St Socket Button Head Screws M6 x 16 - Box of 200
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DebenhamsUnifix Unisex Silver A2-70 Socket Button Head Screws M6 X 16 - Box Of 200 In
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OnBuy.comUnifix A2-70 St/St Socket Button Head Screws M6 X 16 - Box Of 200 5014196334578
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£10.17
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B&QB&Q - A2-70 St/st Socket Button Head Screws M6 X 16Q207380000600016000Box Of 200
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Product Information

Full details

The Unifix Socket Button Head Screws are an ideal fastening solution for professionals and DIY enthusiasts who require reliable, low-profile performance in varied assembly projects. Engineered to ISO 7380-1 standards, these screws provide excellent corrosion resistance and structural durability, making them suitable for environments where both aesthetics and strength are necessary; however, they require specific hex key sizes for installation, which may limit their use in tight spaces lacking clearance for a driver.

All features

ColourGrey
Model Part NumberQ407380000800025000
BrandUnifix

Extended Product Information

FAQs

What does ISO 7380-1 mean?

It is an international standard that defines the dimensions, materials, and thread tolerances for button head screws, ensuring global consistency.

Can I use these screws outdoors?

Yes, their corrosion-resistant construction makes them suitable for most outdoor environments, though they should be avoided in direct contact with caustic materials.

Do I need special tools to install them?

You need a standard hex key (Allen key) corresponding to the size of the screw's internal socket.

Are these screws magnetic?

Depending on the specific steel grade (A2 stainless), they may have very slight magnetic properties, though they are primarily known for their non-corrosive performance.

How do I determine the right length for my project?

Measure the thickness of the material you are fastening plus the required thread engagement depth for the nut or threaded hole.

Troubleshooting

Hex key spinning inside the socket

The socket may be stripped or the hex key is too small. Try using the next size up or an extraction tool if the screw is already damaged.

Screw is difficult to drive into the material

Check that your pilot hole is the correct diameter and that the threads are clean and free of debris.

Visible signs of surface oxidation

While corrosion-resistant, exposure to harsh chemicals or extreme salt air can eventually cause surface rust. Clean with a soft brush and apply a light machine oil if necessary.

Pros and Cons

Pros

  • High resistance to corrosion ensures long-term durability
  • Precision-engineered hex drive minimizes cam-out risks
  • Sleek appearance suitable for visible hardware applications
  • Standardized dimensions simplify compatibility with existing parts
  • High tensile strength suitable for heavy-duty fastening

Cons

  • Requires a compatible hex key or Allen wrench for installation
  • Head profile may still interfere with extremely flush-fitting components
  • Not intended for countersinking applications

Setup, Compatibility & Care

To ensure proper installation, always select a hex key that fits the socket snugly. Inserting an incorrectly sized tool can strip the internal drive of the screw. When installing, align the screw perpendicularly to the pilot hole to prevent cross-threading, especially when working with threaded inserts.

Compatibility is primarily determined by thread pitch and diameter (e.g., M5, M6, M8). Always verify that the screw length is sufficient to engage the full depth of the mating thread while ensuring it does not bottom out. For maintenance, periodically check that fasteners remain tight if the assembly is subject to vibration. While these screws are corrosion-resistant, cleaning them with a dry cloth periodically helps maintain their appearance and prevents long-term oxidation in high-moisture settings.

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