Selecting a fastener finish

Surface treatment plays a significant role in choosing the right fasteners. This white paper will investigate the six most-used coatings (zinc electroplating, zinc/nickel plating, mechanical zinc plating, zinc flake coating, hot dip galvanizing and epoxy coating) using the following criteria:

  • Security of the connection
  • Corrosion protection
  • Resistance against damage by improper handling
  • Fastener criticality, Functionality
  • Availability, Costs 

A handy overview of the most common surface treatments and their evaluation criteria. 


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