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Hexagon nut with flange EN 1661, steel, strength class 10, zinc-nickel-plated, black (ZNBHL)
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Connection elements with a zinc-plated chromium(VI)-free zinc-nickel coating (ZNBHL black or ZNSHL silver) are suitable for applications with a high risk of corrosion. The coating comprises a zinc-nickel alloy layer and a sealing coat (top coat with integrated lubricating particles).
Overview of advantages:
- Corrosion resistance of up to 720 hours against base metal corrosion in accordance with DIN EN ISO 9227 NSS
- Adjusted friction coefficient range from 0.09μ - 0.14μ due to top coat with integrated lubricating particles
- Thermal capacity up to 120°C
- Even coating distribution
- Functional and decorative
ISO EN 1661 replaces DIN 6923 | There is some similarity | Fine thread removed | Width across flats for size M10 changed from 15 mm to 16 mm.
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