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Countersunk head screw with recessed head, H
Countersunk head screw with recessed head, H - 1
Countersunk head screw with recessed head, H - 2

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Countersunk head screw with recessed head, H

ISO 7046-2 steel 8.8 galvanised thick-film coated with sealing (ZSML)

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Available in 10 versions

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Connection elements with a galvanised chrome (VI)-free zinc-nickel coating (ZSML) offer a more future-proof alternative compared to surfaces containing chrome(VI). The coating consists of a zinc layer with passivation on a (chrome III) basis and sealing coat (top coat with integrated lubricating particles).



Overview of advantages:



  • Higher quality replacement of common galvanised coatings such as A2C or A3C

  • Adjusted friction coefficient range from 0.09 μ – 0.14 μ due to top coat with integrated lubricating particles

  • Thermal capacity up to 120 °C

  • Even layer distribution

  • Functional and decorative

Notice

ISO 7046-2 replaces DIN 965 | There is some limited similarity | some head heights and head diameters changed | thread lengths changed | penetration depths of recessed heads changed | strength class 5.8 and A4-70 removed | screws of strength class 4.8 are included in ISO 7046-1.