Hexagon nut with clamping piece (all-metal)
ISO 7042 steel 8, zinc flake, silver
NUT-HEX-SLOK-ISO7042-8-WS30-(ZFSHL)-M20
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Zinc-flake coatings are chrome-(VI)-free corrosion protection coatings for commercial vehicle assembly, construction machinery, agricultural vehicles and equipment, and all other areas that have corrosion protection requirements at vehicle construction level.
Corrosion resistance for ZFSHL is:
- Diameter ≥ M6 - 480h*
- Diameter ≥ M10 - 720h*
The designation ZFSHL refers to the following corrosion coating:
- Zinc-flake coating, with top coat, silver colour, with friction value adjusted lubrication.
- Adjusted friction coefficient range from 0.09μ – 0.14μ due to top coat with integrated lubricating particles
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.
Datasheets(X)
CAD data (available after login)
 | |
Thread type x nominal diameter (D) | M20 |
Height (m1) | 20.30 mm |
External drive (s1) | WS30 |
Standards | ISO 7042 |
Material | Steel |
Property class | 8 |
Surface | Flake zinc silver |
Corrosion protection period | 720 h |
Locking device operating principle | Single part clamping nut metal |
Locking function | Locking against loosening by clamping |
Thread type | Metric thread |
Thread form | Standard metric thread |
RoHS-compliant | Yes |
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