Hexagon nut with clamping piece (non-metal insert)
ISO 7040 steel 8 zinc-nickel silver (ZNSHR)
NUT-HEX-SLOK-ISO7040-8-WS30-(ZNSHR)-M20
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Connection elements with a galvanised chromium (VI)-free zinc-nickel coating are suitable for applications with a high risk of corrosion. The coating comprises a zinc-nickel alloy layer and a sealing coat (top coat with integrated lubricating particles).
Overview of advantages:
- Corrosion resistance of up to 720 hrs to base metal corrosion in accordance with DIN EN ISO 9227 NSS
- Adjusted friction coefficient range of 0.12 μ–0.18 μ due to top coat with integrated lubricating particles, thermal capacity up to 120°C
- Even coat distribution
- Functional and decorative
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) | M20 |
Height (h1) | 22.8 mm |
External drive (s1) | WS30 |
Standards | ISO 7040 |
Material | Steel |
Property class | 8 |
Surface | Zinc nickel silver |
RoHS-compliant | Yes |
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