Hexagonal bolt with threading up to head
ISO 4017 steel 12.9 flake zinc silver
SCR-HEX-ISO4017-12.9-(ZFSHL)-M20X65
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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 4017 replaces DIN 933 | There is some similarity | Nominal size extended | Width across flats for M10, M12, M14 and M22 changed.
 | |
Thread type x nominal diameter (d1) | M20 |
Length (l1) | 65 mm |
Head height (k1) | 12.5 mm |
External drive (s1) | WS30 |
Standards | ISO 4017 |
Material | Steel |
Property class | 12.9 |
Surface | Flake zinc silver |
Corrosion protection period | 720 h |
Head type | Hexagon head |
Drive type | Outer hexagon |
Thread type | Metric thread |
Thread form | Standard metric thread |
Thread design | Full thread |
Thread length (metric thread) | 65 mm |
Product class | A |
RoHS-compliant | Yes |
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