Unifix Allthread Stud - DIN 976-1-A - M8 x 40 - Silver

The Unifix Grade 4.8 Allthread stud is engineered for reliable performance in diverse structural a...

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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 90Box Of 10Msaz12090
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Product Information

Full details

The Unifix Grade 4.8 Allthread stud is designed for construction professionals, automotive technicians, and DIY enthusiasts who require a reliable and versatile fastening solution for diverse structural projects. Engineered to DIN 976-1-A standards, these studs provide excellent mechanical strength and consistent performance, though they are best suited for indoor or sheltered environments due to their bright zinc plating.

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 properties of the steel, specifically its tensile strength and yield point, making it suitable for standard structural assembly tasks.

Can I use these studs outdoors?

They are bright zinc plated, which offers some corrosion resistance, but they are primarily intended for internal or protected environments.

How do I determine the correct diameter for my project?

Measure the outer diameter of the threads; this corresponds to the metric sizing (e.g., M8, M10).

Are these studs fully threaded?

Yes, they are manufactured as allthread (threaded rod) to DIN 976-1-A standards, meaning the threading runs the entire length of the rod.

What tools are needed to cut the stud?

A standard metal-cutting hacksaw or an angle grinder equipped with a metal cutting disc will suffice.

Troubleshooting

Nut is difficult to thread onto the cut end

Use a file to remove metal burrs from the cut edge or use a die nut to re-thread the leading edge.

Surface discoloration or rust spots appearing

The bright zinc plating has likely been compromised; clean the surface with a wire brush and apply a cold-galvanizing spray or clear coat to prevent further oxidation.

Pros and Cons

Pros

  • High versatility for custom-length applications
  • Standardized threading for easy compatibility with standard nuts
  • Bright zinc plating provides good indoor corrosion resistance
  • Reliable grade 4.8 strength for general structural needs

Cons

  • Not intended for extreme high-tensile load applications
  • Zinc plating may require further protection in high-saline or outdoor environments
  • Grade 4.8 is less ductile than higher-grade stainless steel options

Setup, Compatibility & Care

For installation, ensure you are using the correct metric nut and washer size compatible with the stud's diameter (e.g., M5, M8, M10, or M12). When cutting the stud, use a metal-cutting hacksaw or angle grinder; it is recommended to thread a nut onto the stud before cutting, then remove the nut afterward to help clean up any burrs on the threads for smoother installation. To maintain the bright zinc plating, keep the studs in a dry storage environment. If used in a workshop setting, a light application of machine oil can prevent surface oxidation over long periods.

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