SEMS Screws: Get your screws with washers built in!

A SEMS is a screw that is permanently assembled with a free-spinning washer or washers. The hole of the washer will be smaller than the major diameter of the screw thread. The SEMS screw can be made fit your specific application.

Fastening Solutions can help you with all your SEMS needs.

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Advantages of the SEMS Screw

  • Increases productivity by eliminating hand assembly.
  • Permanent assembly assures that washers are never dropped, lost, or forgotten.
  • Ease of use with hand drivers and in automated production programs.
  • Available in most screw and washer combinations.

Key considerations when choosing SEMS Screws

  • Select the correct configuration for the specific task at hand.
  • Good design ensures savings in the long run.
  • Proper finishes perform optimally and are aesthetically pleasing.
  • Ease of use, particularly in difficult spaces.

External Tooth Washer

Flat Washer

Internal Tooth Washer

Split Lock and Flat Washer