Screw with flattened half round head with collar and hexagon socket ISO 7380-2, zinc plated 10.9 steel with thick-layer passivation (ZSML)
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Screw with flattened half round head with collar and hexagon socket ISO 7380-2, zinc plated 10.9 steel with thick-layer passivation (ZSML)
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Fasteners 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
Due to their head geometry, these screws can only be subjected to limited loads, see DIN EN ISO 898-1
Select RAL-colour code
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