Flat washer — large series
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Flat washer — large series
ISO 7093-1, steel 200 HV, zinc-nickel, silver (ZNSH)
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Variants
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Washers with a zinc-plated chromium (VI)-free zinc-nickel silver coating (ZNSH) 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 silver (ZNSHL) surface.
Corrosion resistance:
- Washers for ≥ M2–360h*
- Washers for ≥ M4–600h*
- 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
Select RAL-colour code
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