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Lockbolt Rivets



description benefits materials technical characteristics combinations finishes



UNILOCK rivet (steel)

The UNILOCK lockbolt is designed to give a clean and precise installation, thanks to controlling the beak point characteristics. 


Its high shear and tensile strengths enable our UNILOCK product to create secure, long-term joints capable  of withstanding superior vibrations. The quick and clean assembly of this lockbolt makes it a good option for any relevant application.


Features and benefits


  • Excellent mechanical resistance
  • Fully sealed and tamperproof
  • High performance and superior vibration resistance
  • Retains a high clamping load
  • Enables uniform assembly results


MATERIALS to be fixed


Metal to Metal

  • Aluminium
  • Steel
  • Stainless Steel




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


Technical Characteristics


Materials: Steel

Diameters: 4,8 to 6,4 mm.


BODY MANDREL 4,0 mm 4,8 mm 6,0 mm 6,4 mm


Bralo have no limits when it comes to variety. Our intensive search for materials and our constant use of innovative technology have established the widest range of finishes in the market.

To avoid the effects of external agents, the most appropriate finishes for the Bralo Unilock Rivet are: zincating or organic coating. Zincating is a zinc coating that not only protects steel from oxidation and corrosion, but it also improves the visual aspect of the item. Depending on the required strength in each application, there are various available zincating options: the galvanic zincating, where the zinc is the only metal that forms the suffering layer and the nickel zincating, with a resistance twice as high as that of the normal zincating, making it suitable for automotive and weather resistant applications. The latter is also available in a transparent, shiny look that can be silver and black.

Bralo Unilock Rivet is available in an anodised finish or with an organic coating (Delta Seal), which give the rivet a higher resistance and durability.



Steel Zincating (galvanized and alloys) and organic coating

With working alongside the customer, we can make custom designs adapting to the specific needs of every application. Please contact us, should you need more information about special finishes.


Denomination Body Mandrel Dome Large Countersunk
Unilock Steel Steel    

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