NSK linear guides and ball screws are used in various applications and environments. A major concern in these settings is preventing rust which may occur during wet processing in manufacturing equipment using chemicals or water. NSK applies with successfull results, a fluororesin coating as a surface treatment on electrolytic anti-rust black film as the optimal rust prevention coating for linear guides and ball screws in such machines and equipment. It provides a longer life and as a result contributes to reduce maintenance and dowtime in operation.

Condition Description

  • Arduous Environments
  • Corrosive Environment


Product Features

  • Black plating: treated to form a stable thin film (1-2µm)
  • Fluororesin coating to enhance corrosion resistance
  • Treatment with no hydrogen brittleness


  • Good corrosion resistance to humidity
  • Accuracy of parts preserved, due to the low film thickness
  • Good corrosion resistance to chemical exposure
  • Economical

Cookies on the NSK website

We use cookies to ensure that we give you the best experience on our websites and web applications. By continuing without changing your browser settings, we assume you give your consent to receive cookies. However, you can change your browser cookie setting at any time.