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Hexagon nut with fine thread DIN 934, zinc plated 10 steel with thick-film passivation (VZD)
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Variants
Fasteners 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.
The advantages at a glance:
- Chromium(VI)-free alternative to A2C or A3C
- Thermal load capacity up to 120 °C
- Even coating distribution
Hexagon nuts complying with the DIN 934 standard cannot support test loads as per DIN EN ISO 898-2.
- The strength class designation has two vertical bars added before and after the strength code for differentiation.
DIN 934 has been withdrawn and replaced by ISO 4032/8673. There is no equivalence (nominal diameter changed | Some nut heights changed | Widths across flats changed for M10, M12, M14, M22 | ISO 4032 for standard thread | ISO 8673 for fine thread).
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