Formerly Emhart Teknologies & Infastech


High strength, steel fastener and shell designed for joining composite panels to metal.

Avtainer animation

With a high shear strength due to the internally locked stem the Avtainer fastener creates a vibration resistant joint whilst the underhead Santoprene™ seal creates a watertight joint.

Key features and benefits

  • Prevents cracking and pull through of composite materials
  • Ideal for the assembly of GRP vehicle panels
  • High shear strength for strong joint integrity
  • Underhead Santoprene™ seal
  • Internally locked stem provides a secure, vibration resistant joint
  • Smaller shell size available for use against metal surfaces
  • Low profile head and shell give a neat appearance
  • Optional encapsulated heads to match the surrounding panel colour
  • Quick to install with Genesis placing tools
  • Easy to inspect for tampering
  • TIR approved

Assembly materials

Avtainer can be used to fasten:

  • Metal to metal
  • Metal to GRP or composites

Assembly applications

  • Commercial vehicles
  • Container
  • Partioning


  • Sizes: 10.0 mm (3/8")
  • Materials: Low Carbon Steel
  • Headforms: Low Profile
  • Option: Encapsulated heads
Avtainer - Series
Material Headform Series
Low Carbon Steel Low profile Avtainer 2311


Details can be found in the > Lockbolt Systems Catalog available in our Document Library.

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 Lockbolt 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 lockbolts 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:

> Lockbolts - Customised Designs

Installation Equipment
Lockbolt Installation Equipment can be found at the following page

> Lockbolt Installation Equipment