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Flat collar nut, wheel fastening

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Flat collar nut, wheel fastening

DIN 74361, galvanised steel 8, thick-film passivated (VZD), B-shape

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Connection elements with galvanised chromium (VI)-free zinc thick-film passivation (VZD) offer a future-proof alternative to surfaces containing chromium (VI). The coating consists of a zinc layer with passivation on a chromium (III) basis.



Overview of advantages:



  • Chromium (VI)-free alternative to A2C or A3C

  • Thermal capacity up to 120°C

  • Even coat distribution