Formerly Emhart Teknologies & Infastech


High strength, vibration resistant lockbolts with multi-grip capability.

Maxlok animation

The Avdel Maxlok lockbolt is a high strength, vibration resistant lockbolt with multi-grip capability. The wide grip range of the Maxlok lockbolt enables usage in a variety of situations reducing inventory and simplifying stock control. The high shear strength and superior, controlled clamp means the Maxlok lockbolt is ideal for high strength assembly. With quick installation and easy inspection this two-piece rivet is versatile and secure.

Key features and benefits

  • Wide grip range to suit a wide variety of applications
  • High shear and tensile strength
  • High strength, high speed assembly
  • Excellent vibration resistance
  • Consistent, high performance
  • TIR approved - easy to inspect for tampering
  • Robust and rugged installation tools
  • Reduced fastener inventory and simpler stock control

Assembly materials

Maxlok can be used to fasten:

  • Metal to metal

Assembly applications

  • Automotive
  • Building and construction
  • Bridge building
  • Cabinets and enclosures
  • Commercial vehicle bodies
  • Fencing
  • Railways
  • Reefer cool and dry freight containers


  • Sizes: 4.8mm and 6.4mm (3/16" and ¼")
  • Materials: Aluminium alloy and steel
  • Headforms: Brazier, countersunk, mushroom and truss head
  • Collar: Flanged
Maxlok Series
Material Headform Series
Steel Brazier
90° Countersunk
Truss Head
Maxlok 1901
Maxlok 1902
Maxlok 1903
Maxlok 1905
Aluminum Alloy

Truss Head

Maxlok 1921
Maxlok 1923
Maxlok 1925


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 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:

> Lockbolts - Customised Designs

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

> Lockbolt Installation Equipment