Formerly Emhart Teknologies & Infastech


Threaded stand-off pillars for PCBs in a range of metric internal threads and many stand-off heights.

The Avdel Avsert is a threaded stand-off pillar for PCBs. The internal threads allows for a threaded part to be inserted. The Avsert Speed Fastening® system is available in a variety of stand-off heights to suit your individual needs and will fit an array of board thicknesses.

Key features and benefits

  • Internally threaded bore takes a threaded part e.g. D-subminiature connectors
  • Available in many stand-off heights to accommodate a wide variety of components
  • Can be used for board thicknesses of 0.8-2.0 mm (short spigot) or 0.8-2.4 mm max (long spigot)
  • Suitable as a female mating bush for D-subminiature connectors

Assembly applications

  • Aluminium geartrays and extrusions
  • D-connectors
  • PCBs
  • Telecommunications equipment


  • Sizes: M2.5 X 0.45 and M3 X 0.5 threads
  • Material: Tin plated* brass
Avsert - Series
Material Version Series
Tin plated* brass short spigot Avsert 1117
Tin plated* brass long spigot Avsert 1118

* Avdel recommends tin plated Avsert parts are installed within 24 months from the date they were produced.

Surface finish options
If you are looking for other surface finish options than shown in the above datasheets please download our

> Surface Finishes and Fastener Matrix for Speed Fastening Systems.

This will show you what surface finish options are possible to apply to our standard fastener types as "customer specials".

Customised Designs
We can design and manufacture breakstem fasteners with a wide variety of forms and finishes to meet your unique assembly requirements. Please refer to this page to find examples of our customised capabilities:

> Speed Fastener - Customised Designs

Installation Equipment
Speed Fastener Installation Equipment can be found at the following page

> Speed Fasteners Installation Equipment

To select the suitable combination of Avsert nose equipment, mandrel and follower spring to equip the installation tool please refer to the Speed Fastening Systems catalog or the tool manuals.