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Hexalobular-type cheese head screw, low head

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Hexalobular-type cheese head screw, low head

ISO 14580 steel 08.8, zinc-flake, silver (ZFSHL)

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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*


  • * Guideline values: No base metal corrosion at points without thread in salt spray mist testing according to DIN EN ISO 9227 NSS.


  • 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

    Notice

    Increase in assembly productivity



    When elements are joined using hexalobular (TX) fasteners, the force is transmitted over a large surface area across the flanks of the drive rather than being centred on one point, as is the case with hexagon socket drives, for example. This has a number of advantages:


    • Reduced tool wear

    • Tool does not slip because force is distributed optimally

    • No damage to surface coating

    • No wobbling

    • Screw locates securely


    Hexalobular drives must comply with DIN EN ISO 10664


    • As a result, connection elements with hexalobular heads are standardised and can be used all over the world