High investments in wind power plants require a long and reliable service life.

Zinc diffusion coated products ...

  • offer reliable corrosion protection
  • show no hydrogen embrittlement
  • require little maintenance
  • can be assembled and disassembled
  • friction coefficients can be adjusted via Topcoats
  • are suitable for high-strength connections
  • show low distortion
  • can be painted


For many years, fasteners, nuts or threaded bolts are sherardized for windmill applications.

For example ...

  • threaded bolts
  • screws
  • nuts
  • safety pins

...are zinc diffusion coated.
The SheraTop®-system with PTFE-Topcoat provide a long-term corrosion protection in aggressive environments.