Unifix Allthread DIN 976-1-A - Silver

The Unifix Grade 4.8 allthread studding DIN 976-1-A BZP M5 x 20 is supplied in a box of 200. Craft...

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The RangeUnifix Grade 4.8 Allthreads Din 976-1-A Bright Zinc Plated - M12 X 80 (Box Of 10) - Silver
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OnBuy.comUnifix Grade 4.8 Allthreads Din 976-1-A Bzp M12 X 80 - Box Of 10 5014196042664
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eBayUnifix Grade 4.8 Allthreads DIN 976-1-A BZP M12 x 80 - Box of 10
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DebenhamsUnifix Unisex Silver Grade 4.8 Allthreads M12 X 80 - Box Of 10 In
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B&QB&Q - Grade 4.8 Allthread Stud Din 976-1-A Bzp M12 X 80mm Box Of 10Msaz12080
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Product Information

Full details

The Unifix Grade 4.8 allthread studding is designed for contractors, mechanics, and DIY enthusiasts who require reliable, versatile fasteners for construction and assembly projects. These bright zinc-plated studs offer a balance of impressive tensile strength and corrosion resistance, making them suitable for various structural and mechanical applications. While they are highly effective for standard fastening tasks, users should ensure the M5 sizing meets the specific load-bearing requirements of their particular project before installation.

All features

ColourSilver
Model Part NumberDIN 976-1-A
BrandUnifix

Extended Product Information

FAQs

What does Grade 4.8 mean?

Grade 4.8 refers to the mechanical property of the steel, indicating a specific level of tensile strength and yield point for standard industrial fastening.

Can I use these outdoors?

Yes, the bright zinc-plated finish offers good resistance to corrosion, but they should be kept in protected, non-saline environments for best longevity.

What is the diameter of these studs?

These are M5 studs, meaning they have a nominal thread diameter of 5mm.

Are these suitable for structural welding?

No, these are designed for mechanical fastening with nuts and are not intended to be welded.

How many studs come in a box?

Each box contains 200 units of the M5 x 20 studding.

Is the thread pitch standard?

Yes, these follow the standard ISO metric thread profile compatible with all common M5 nuts.

Troubleshooting

Nut does not thread onto the stud smoothly

Check for debris in the threads or damage to the starting end. Use a small file to clean the edges if the stud was recently cut.

Visible surface rust

Although zinc-plated, exposure to harsh moisture can lead to surface oxidation. Wipe with a light machine oil to protect the finish.

Stud pulls out under tension

Verify the load requirements. M5 is a light-duty fastener; if the load exceeds specifications, switch to a larger diameter studding.

Pros and Cons

Pros

  • Excellent corrosion resistance due to the BZP finish
  • Compact design allows for use in restricted or narrow spaces
  • Reliable grade 4.8 steel tensile strength
  • Wide compatibility with standard M5 nuts and fasteners

Cons

  • M5 size may not be suitable for heavy-duty structural load-bearing
  • Fixed 20mm length may require cutting for non-standard applications
  • Zinc plating is best for interior or mild outdoor environments

Setup, Compatibility & Care

To install, ensure the mating surface is clean and the hole is threaded or cleared for an M5 fastener. Use standard wrench tools to drive the nuts onto the studding. Do not over-torque, as this may strip the threading. To maintain the bright zinc-plated finish, keep the studs stored in a dry, cool location to prevent moisture-induced surface oxidation before use. If you need to cut the studding for a specific depth, use a fine-tooth hacksaw and clean the cut end with a file to ensure the nut threads on smoothly.

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