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Hexagonal nut with flange and clamping piece (non-metallic insert) EN 1663, steel 8, zinc-plated, thick-film passivated (ZSML)
Hexagonal nut with flange and clamping piece (non-metallic insert) EN 1663, steel 8, zinc-plated, thick-film passivated (ZSML) - 1
Hexagonal nut with flange and clamping piece (non-metallic insert) EN 1663, steel 8, zinc-plated, thick-film passivated (ZSML) - 2

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Hexagonal nut with flange and clamping piece (non-metallic insert) EN 1663, steel 8, zinc-plated, thick-film passivated (ZSML)

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Connection elements with zinc-plated chromium(VI)-free thick-film passivation (ZSML) offer a future-proof alternative compared to surfaces containing chromium(VI). The coating consists of a zinc layer with passivation on a (chrome III) basis and sealing coat (top coat with integrated lubricating particles).



Overview of advantages:



  • Higher quality replacement for common zinc-plated coatings such as A2C or A3C

  • Adjusted friction coefficient range from 0.09 μ – 0.14 μ due to top coat with integrated lubricating particles

  • Thermal capacity up to 120°C

  • Even coating distribution

  • Functional and decorative

Notice

ISO EN 1663 replaces DIN 6926 | There is some limited similarity | Nuts with fine thread included in DIN EN 1666 | Nut height changed | Width across flats for size M10 changed from 15 mm to 16 mm | Strength class 12 removed.