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A leading UK main distributor of standard and bespoke fasteners for international aerospace and other industries.

We hold an extensive stock of branded fasteners, including Aerotight, Philidas, Kaynar, Unbrako, Holo-Krome, Spirol, Tucker, Monadnock and PSM.

SEMS screws

SEMS screws are used to make product assembly more cost-effective in many industries.

We are a long established supplier of screw and washer assemblies, ranging in size from M2 to M12, plus Imperial threads of comparable dimensions. These are available in almost any combination of screw and washer type, including double washer assemblies.

The assemblies can be supplied in a comprehensive range of materials, including mild and HT steel; brass and stainless steel. All can be supplied in the required plated finishes, including zinc (RoHs compliant); bright nickel; tin; electro brass; and chemical black, etc.

We hold a large range of stainless steel SEMS units in stock and are always happy to send out a sample pack for your assessment.

Benefits of screw and washer assemblies:

  • Reduced stock requirements
  • Reduced assembly costs
  • Increased assembly efficiency
Whether you need a hundred, a thousand, or a million, we are the established UK source for aerospace-quality fasteners. Email your enquiry to, or call us now on +44 (0)208 504 8833