Hexagon nut with clamping piece (non-metal insert) ISO 7040, steel 8, zinc-plated, thick-film passivated (VZD)
ISO 7040 steel 8 zinc plated thick-layer pass.
NUT-HEX-ISO7040-8-WS7-(VZD)-M4
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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 7040 replaces DIN 982 | There is some limited similarity | Thread M7, M18, M22 removed | Thread M3, M4, M30 and M36 added | Nut height changed | Width across flats changed for thread M10, M12 and M14 to 16, 18 and 21 mm | Fine thread included in ISO 10512 | Strength class 12 removed | ISO 7040 applies to the strength classes 5, 8, 10.
Datasheets(X)
 | |
Thread type x nominal diameter (D) | M4 |
Height (h1) | 6 mm |
External drive (s1) | WS7 |
Standards | ISO 7040 |
Material | Steel |
Property class | 8 |
Surface | Zinc plated thick-layer passivation |
RoHS-compliant | Yes |
Locking device operating principle | Clamping part polyamide ring |
Locking function | Locking against loosening by clamping |
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