Formerly Emhart Teknologies & Infastech

Double Flush Chobert®

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Flush Speed Fastening® for applications in exceptionally thin sheet materials.

The Double Flush Chobert rivet is a Speed Fastening rivet with countersunk head for use in exceptionally thin sheet materials. Based on the Avdel Chobert design, it's specifically developed for use in the electronics industry.

Key Features and Benefits

  • Flush surface on both sides of the component
  • Reduces excess space requirements within the chassis
  • Common hole form can be used throughout the chassis design to reduce complexity
  • Can be installed from either direction if accessible
  • Expands radially in the material during installation
  • Provides superior joint strength when compared to competitive technologies
  • One-piece fastener eliminates potential stem fall out that can cause electrical problems
  • Speed Fastening rapid installation with magazine or bowl feed fasteners


  • Computer chassis
  • Casings
  • Small electronic devices
  • Applications with exceptional thin sheet


  • Size: 3.2 mm (1/8") diameter
  • Material: Steel with Zinc clear passivation
  • Head Form: Countersunk
Double Flush Chobert Series
Material Headform Series
Steel 120o Countersunk 01110-11xxx


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 Double Flush Chobert nose equipment, mandrel and follower spring to equip the installation tool please refer to the Speed Fastening Systems catalog or the tool manuals.