5. Surface protection

Hot-dip galvanising Immersion in molten metal bath Min. layer thicknesses approx. 40 µm Process temperature approx. 450°C Greater corrosion protection Not suitable for small screws Cathodic corrosion protection Fasteners for steel construction. For example, HV kits. Applicable for fasteners ≥ M12 Corrosion resistance between

  Galvanising, Dip galvanising