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Hexagon nut with clamping piece (all-metal) ISO 7042, steel 8, zinc-plated, thick-film passivated (VZD)
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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
ISO 7042 replaces DIN 980, DIN 6925 | There is some limited similarity | Thread M3, M4, M7, M18, M22, M27, M33 and M39 removed | Nut height changed | Width across flats changed for M10, M12 and M14 to 16, 18 and 21 mm | Fine thread included in ISO 10513 | ISO 7042 applies to the strength classes 5, 8, 10, 12.
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