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Flat washer with chamfer ISO 7090, steel, 200 HV, zinc-nickel-plated black (ZFSH)
Flat washer with chamfer ISO 7090, steel, 200 HV, zinc-nickel-plated black (ZFSH) - 1
Flat washer with chamfer ISO 7090, steel, 200 HV, zinc-nickel-plated black (ZFSH) - 2

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Flat washer with chamfer ISO 7090, steel, 200 HV, zinc-nickel-plated black (ZFSH)

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Washers with a zinc-plated chromium (VI)-free zinc-nickel black coating (ZNBH) are suitable for applications with a high risk of corrosion. They are the perfect visual and functional addition to the screws and nuts in the programme that have a zinc-nickel black (ZNBHL) surface.



Corrosion resistance:



  • Washers for ≥ M2 - 360h*

  • Washers for ≥ M4 - 480h*

  • Washers for ≥ M10 - 720h*


  • *No base metal corrosion at points without thread in salt spray mist testing according to DIN EN ISO 9227 NSS


Overview of advantages:



  • Corrosion resistance of up to 720 hours against base metal corrosion in accordance with DIN EN ISO 9227 NSS

  • Chromium(VI)-free

  • Thermal capacity up to 120°C

  • Even coating distribution

  • Functional and decorative