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Hexagonal bolt with flange EN 1665, steel 8.8, zinc-plated, thick-film passivated (ZSML)
Hexagonal bolt with flange EN 1665, steel 8.8, zinc-plated, thick-film passivated (ZSML) - 1
Hexagonal bolt with flange EN 1665, steel 8.8, zinc-plated, thick-film passivated (ZSML) - 2

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Hexagonal bolt with flange EN 1665, steel 8.8, zinc-plated, thick-film passivated (ZSML)

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Variants

Connection elements with galvanised chrome (VI)-free thick-film passivation (ZSML) offer a future-proof alternative compared to surfaces containing chrome(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 of common galvanised 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 layer distribution

  • Functional and decorative

Notice

ISO EN 1665 replaces DIN 6921 | There is some limited similarity | Some head heights have been changed | Flange diameter is unchanged | Width across flats changed for M10, M12, M14 and M16, M20 | Strength 12.9 omitted | Fine thread omitted.