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Hexagon head ripp locking screw with flange
Hexagon head ripp locking screw with flange - 1
Hexagon head ripp locking screw with flange - 2
Hexagon head ripp locking screw with flange - 3

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Hexagon head ripp locking screw with flange

Frame screw for commercial vehicles, zinc flake silver surface with green lubricant

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Serrated flange bolt with fine thread (from M12) in strength class 10.9



Chromium(VI)-free


Complies with the EU End of Life Vehicles Directive



Surface


  • ZFSHL: Zinc flake coating with lubrication that alters the friction coefficient (friction coefficient: 0.09-0.14)

  • Coloured lubricant


Corrosion resistance


M5 approx. 240 h / ≥ M6 approx. 480 h / ≥ M10 approx. 720 h, base metal corrosion in accordance with DIN EN ISO 9227-NSS



Working principle of the locking ribs


During tightening, the counter-material is "rolled" in the area of the bolt contact surface by the locking ribs. This causes a surface-hardening plastic deformation. No significant settling is determined at the end of tightening. The locking ribs limit the amount of settling for the connection and therefore reduce the loss of pretensioning force.

Notice

The specified corrosion resistances apply for the corrosion tests according to DIN EN ISO 9227-NSS (salt spray mist testing), at the earliest 24 h after coating in the "as coated" state, i.e. before sorting, packaging, transporting and/or assembly. These values can be reduced through inevitable handling and assembly processes. A transfer of the corrosion resistances from the salt spray mist test to real assembly and operating conditions is not possible in the majority of cases. When designing a connection, both the combined materials and any coatings and the environmental conditions during operation must be considered by the designer when selecting a suitable corrosion protection coating.