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Flat-head screw with H cross recess
Flat-head screw with H cross recess - 1
Flat-head screw with H cross recess - 2

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Flat-head screw with H cross recess

ISO 7045 steel 4.8 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 7045 replaces DIN 7985 | There is some similarity | some head heights and head diameters changed | thread lengths changed | penetration depths of recessed heads changed | standard title of pan head screw changed to flat head screw.