Hexagon nut with clamping piece (non-metal insert)
ISO 7040 steel 10 zink flake silver
NUT-HEX-SLOK-ISO7040-10-(ZFSHL)-M20
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Zinc flake coatings are chrome (VI)-free corrosion protection coatings for commercial vehicle construction, construction machines, agricultural vehicles and equipment, and all other fields that require vehicle construction standard corrosion protection requirements.
The corrosion resistance of ZFHSL is as follows:
- Diameter ≥ M6 - 480h*
- Diameter ≥ M10 - 720h*
The designation ZFSHL refers to the following corrosion coating:
- Zinc flake coating, with top coat, silver colour, with lubrication that alters the friction coefficient.
- Adjusted friction coefficient range from 0.09μ - 0.14μ due to top coat with integrated lubricating particles
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) | 22.80 mm |
External drive (s1) | WS30 |
Standards | ISO 7040 |
Material | Steel |
Property class | 10 |
Surface | Flake zinc silver |
RoHS-compliant | Yes |
Corrosion protection period | 720 h |
Locking device operating principle | Clamping part polyamide ring |
Locking function | Locking against loosening by clamping |