Screw with flattened half round head and hexagon socket
ISO 7380-1 steel 010.9 flake zinc silver
SCR-BUT-ISO7380/1-010.9-ZFSHL-M12X55
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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
Due to their head geometry, these screws can only be subjected to limited loads, see DIN EN ISO 898-1
Datasheets(X)
 | |
Thread type x nominal diameter (d1) | M12 |
Length (l1) | 55 mm |
Head diameter (dk) | 21 mm |
Head height (k1) | 6.6 mm |
Standards | ISO 7380-1 |
Material | Steel |
Property class | 010.9 |
Surface | Flake zinc silver |
Corrosion protection period | 720 h |
Head type | Button head |
Drive type | Hexagon socket |
Internal drive | HS8 |
Thread type | Metric thread |
Thread form | Standard metric thread |
Product class | A |
RoHS-compliant | Yes |
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