Hexagonal nut with flange and clamping piece (non-metallic insert) EN 1663, steel 8, zinc-plated, thick-film passivated (ZSML)
EN 1663 steel 8 galv. thick layer pass. w. sealing
NUT-HEX-FLG-EN1663-8-WS8-(ZSML)-M5
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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
ISO EN 1663 replaces DIN 6926 | There is some limited similarity | Nuts with fine thread included in DIN EN 1666 | Nut height changed | Width across flats for size M10 changed from 15 mm to 16 mm | Strength class 12 removed.
Datasheets(X)
 | |
Thread type x nominal diameter (D) | M5 |
Height (h1) | 7.1 mm |
Flange diameter (dc) | 11.8 mm |
External drive (s1) | WS8 |
Standards | EN 1663 |
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 |