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Unifix Grade 8.8 Hex Set - White

Unifix Grade 8.8 Hex Set - White

The Unifix Grade 8.8 Hex Set is engineered for superior durability and reliable performance in dem...

Best current price£6.63from Debenhams

Colour
BlueSilverWhite

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DebenhamsUnifix Unisex Silver Grade 8.8 Hex Sets M6 X 25 - Box Of 50 In
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eBayUnifix Grade 8.8 Hex Sets M6 x 25 - Box of 50
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OnBuy.comUnifix Grade 8.8 Hex Sets M6 X 25 - Box Of 50 5014196544786
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B&QB&Q - Grade 8.8 Hex Sets M6 X 25Box Of 50
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Product Information

Full details

The Unifix Grade 8.8 Hex Set is designed for professional builders and contractors who require high-strength fastening solutions for demanding construction and structural applications. Featuring a robust Grade 8.8 steel construction, this set provides exceptional load-bearing reliability, though users should ensure they select the correct thread pitch and diameter for their specific structural requirements.

All features

ColourWhite
Model Part Number5014196544915
BrandUnifix

Extended Product Information

FAQs

What does the Grade 8.8 designation mean?

It indicates the tensile strength of the steel, with the '8.8' rating meaning it has a minimum tensile strength of 800 MPa and a yield strength of 640 MPa.

Are these bolts suitable for outdoor use?

Yes, they feature a corrosion-resistant finish that makes them suitable for most outdoor applications, though they should be checked periodically in harsh conditions.

Does the set include the required nuts and washers?

Yes, each set is a complete kit containing the bolts (DIN933), washers (DIN125A), and nuts (DIN934).

Are these metric or imperial measurements?

These follow standard metric (DIN) sizing conventions.

Can these be used for automotive repairs?

While often used in construction, their high strength makes them suitable for many non-critical automotive structural applications, provided the size and thread pitch match your vehicle requirements.

Troubleshooting

Bolt does not thread smoothly into the nut

Verify that the threads are free of paint, dirt, or debris and ensure the bolt diameter and pitch match the nut.

Head stripping during installation

Ensure the socket or wrench is the correct size and fully seated on the hex head before applying torque.

Pros and Cons

Pros

  • High structural integrity for heavy-duty use
  • Comprehensive kit includes bolts, nuts, and washers
  • Corrosion-resistant coating for outdoor or damp environments
  • Industry-standard DIN compatibility
  • Reliable, high-grade steel construction

Cons

  • Specific to Grade 8.8 tensile strength requirements
  • Limited to standard hex bolt configurations
  • Requires proper tooling for secure torque application

Setup, Compatibility & Care

For optimal performance, always ensure that your mating surfaces are level and free of debris. When installing, use a torque wrench to reach the recommended tension for your specific application, as over-tightening can compromise the steel integrity. The components are compatible with standard metric wrenches and sockets. While the finish is corrosion-resistant, it is recommended to keep the bolts in their original packaging until they are ready to be used to maintain their pristine condition. If working in extremely saline or highly corrosive environments, inspect the bolts periodically for signs of surface oxidation.

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