What are SEMS / Combination Screws?

SEMS / Combination screws are often referred to as:

  • Captivated Washers
  • Screw Washer Assemblies
  • Combi Screws

They are a combination of a screw or bolt with a captivated washer or set of washers.

The technology has been around for about 60 years and the product has brought benefits to assembly lines around the world.

They provide a number of benefits to the user including:

  • Reduced stock requirements
  • Reduced assembly costs
  • Increased efficiency during assembly

SEMS screws are being used to make product assembly more cost effective in many industries including automotive and micro electronics.

We have the ability to make almost any type of screw and washer combination to your specification.