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What is Fabory Zinc Flake?Fabory Zinc Flake is Fabory's branded range of zinc flake coated fasteners developed for applications requiring high corrosion resistance, reliable fastening performance and protection for high-strength fasteners. Fabory Zinc Flake fasteners solve key challenges around corrosion, hydrogen embrittlement and long-term fastening reliability. They provide strong corrosion protection without the hydrogen embrittlement risk associated with electroplating high-strength fasteners. This makes them well suited to demanding environments where premature corrosion, fastener failure and reduced service life can create costly maintenance and replacement issues. |
Benefits
High corrosion resistance
Strong, long-lasting protection against corrosion, even in demanding environments. This helps extend fastener service life and reduce maintenance or replacement requirements.
Reduced risk of hydrogen embrittlement
Unlike electroplated coatings, zinc flake processes do not introduce hydrogen into the fastener during coating. This significantly reduces the risk of hydrogen embrittlement, particularly in high-strength fasteners.
Controlled friction
Provides controlled and consistent friction characteristics across the fastener, supporting more reliable torque-tension performance and helps achieve accurate clamping forces during installation.
ISO 10683 performance
ISO 10683 provides defined requirements for corrosion protection and coating performance - giving engineers greater confidence in consistent fastener quality and suitability for demanding applications.
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ISO 10683 Technical ISO 10683 compliant zinc flake coatingsISO 10683 provides a recognised specification for non-electrolytically applied zinc flake coatings on steel fasteners, defining requirements for coating performance, corrosion protection and functional characteristics. This helps engineers and procurement teams specify a consistent coating solution for demanding applications.
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Which surface coating should you choose?
| . | Zinc flake | Zinc plating | Hot dip galvanising |
|---|---|---|---|
| Corrosion protection | High | Standard/moderate | High |
| Coating thickness | Thin | Thin | Thick |
| Process | Non-electrolytic | Electrolytic | Molten zinc |
| High-strength fasteners | Very suitable | Requires consideration | Application dependent |
| Controlled friction | Can be specified | Possible | Less precise |
| Typical use | Precision/high-strength | General fastening | Structural/outdoor |
Zinc flake coatings offer superior corrosion resistance and is suitable for high-strength fasteners where hydrogen embrittlement is a concern. Zinc plated provides a cost effective corrosion protection for general applications but offers lower corrosion resistance.
Zinc flake provides high corrosion resistance with a thinner, more controlled coating making it suitable for application requiring precise dimensional tolerances. Hot dip galvanised offers robust, long-term corrosion protection through a thicker zinc coating, making it well suited to demanding outdoor and structural applications where durability is prioritised.
The right choice of fastener coating depends on environmental exposure, fastener strength, performance requirements and application conditions.
Industries we support
Zinc flake coated fasteners support a range of OEMs, maintenance and repair companies in a range of industry segments
Discover the benefits of Fabory Zinc Flake
Explore our range of Fabory Zinc Flake coated fasteners for demanding applications and find the right dimensions and specifications for your assembly.
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Knowledge hub Looking for more details about zinc flake fasteners?Discover why OEMs in the truck, trailer, and coach industry are increasingly specifying zinc flake coatings in their vehicle builds. In our latest technical article, you'll learn how zinc flake coatings compare with other zinc surface treatments, explore their key performance benefits, and discover the applications and environments where zinc flake-coated fasteners are the preferred choice.
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