Expanding our knowledge and embracing the future of sustainable energy

LoneStar Fasteners supply a wide range of Petrochemical fasteners and bolting to some of the world’s largest producers of Hydrogen and associated process gases operating within the downstream sector.

We recognise our client base is continually looking to reduce emissions in the production of these process gases and embrace new technologies.

 LoneStar Fasteners are continually enhancing their wider downstream offering to support the retrofitting and new build activity within these sectors. This includes an extensive range of threaded components manufactured to meet various international standards such as  ASTM, ASME, Werkstoff.

LoneStar Fasteners offer a diverse range of fasteners and bolting in large diameters and long lengths as required by the Electrolyzer manufacturer, providing manufactured major component bolting to drawings or standards, through to complete service kitting by module or project.

Given the critical nature of the application all product is fully certified to a minimum of EN 10204 3.1 and certification can be further enhanced by incorporating the requirements of PED (Pressure Equipment Directive), Merkblatt, NORSOK and API specifications. In addition, LoneStar Fasteners can also offer full EN 10204 3.2 witness endorsed by some of the world’s leading inspections companies.

As an established supplier and one of the largest ASTM materials stockholders in Europe, LoneStar Fasteners pride themselves on being able to offer a cost effective, safety critical solution, with rapid turnaround times to support your project requirements.

Expanding our knowledge and embracing the future of sustainable energy.


Further information of our general downstream activity can be found at:


Bolting And Fasteners For Oil And Gas Midstream And Downstream - LoneStar Europe (lsfe.com)


Application of Bolting and Fasteners

  • Pipework/Flange Connection
  • Valves and Control Systems
  • Pressure vessels
  • Electrolyzer Build (Green Hydrogen)
  • Compressors
  • Fire suppression
  • Framework/ General infrastructure
  • Cracker vessels (Grey/Blue Hydrogen)
  • Heaters (Grey/Blue Hydrogen)
  • Flares (Grey/Blue Hydrogen)


  • ASTM/ASME/Werkstoff/ISO Stud Bolt Assemblies
  • ASTM/ASME/Werkstoff/ISO Hexagon Bolting and Fasteners
  • ASTM/ASME/Werkstoff/ISO Socket Headed Bolting and Fasteners
  • Tie Rods
  • Foundation Bolts
  • U-Bolts
  • General Fasteners (Including AISI Grades)
  • High Temperature and High Corrosion Resistant Bolting