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Plating, Baking & Passivating

4 primary reasons for coating fasteners
  • To improve the appearance of the fastener
  • To fight corrosion
  • To reduce friction
  • To reduce scatter in the amount or preload achieved for a given torque.

There’s a variety of coatings and platings that can be used to prevent or delay corrosion in fasteners or enhance the physical look of a fastener. The following are the most common coating processes: