Countersunk screw with hexalobular head ISO 14581, steel 8.8, zinc flake, silver (ZFSHL)
ISO 14581 steel 08.8, zinc-flake
SCR-CS-ISO14581-08.8-(ZFSHL)-M8X20
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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 ZFSHL 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
- Head dimensions in ISO 14581 countersunk screws are gauged in accordance with ISO 7721
- Some screws with short dimensions are threaded up to the head, see ISO 14581
- Countersinks for screw heads in accordance with ISO 14581 must comply with ISO 15065
Datasheets(X)
 | |
Thread type x nominal diameter (d1) | M8 |
Length (l1) | 20 mm |
Head diameter (dk ) | 15.80 mm |
Head height (k1) | 4.65 mm |
Standards | ISO 14581 |
Material | Steel |
Property class | 08.8 |
Surface | Flake zinc silver |
RoHS-compliant | Yes |
Corrosion protection period | 480 h |
Head type | Countersunk head |
Drive type | Internal hexalobular |
Internal drive | TX45 |
Thread type | Metric thread |
Pitch | 1.25 mm |
Thread form | Standard metric thread |
Product class | A |
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