Flat washer with large external diameter ISO 7093-1, steel 200 HV, zinc-nickel plated black (ZNBH)
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Flat washer with large external diameter ISO 7093-1, steel 200 HV, zinc-nickel plated black (ZNBH)
Washers with a zinc plated chromium (VI)-free zinc-nickel plated black coating (ZNBH) are suitable for applications with a high risk of corrosion
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They are the perfect visual and functional addition to the range of screws and nuts with a zinc-nickel black (ZNBHL) surface.
Corrosion resistance:
- Washers for ≥ M2 - 360 h*
- Washers for ≥ M4 - 480 h*
- Washers for ≥ M10 - 720 h*
- *No base metal corrosion in unthreaded areas in salt spray tests in accordance with DIN EN ISO 9227 NSS
Overview of advantages:
- 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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