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sales@lsfe.com +44 (0) 121 345 0923 +44 (0) 121 435 0009
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Precision Bolting

Supplying critical fasteners for over 30 years

With a long history of engineering excellence encompassing all major North Sea developments, LoneStar fasteners is fully equipped and experienced to produce customers’ fastener and component requirements in a wide range of materials and to exact industry specifications such as ISO/ DIN/ ASTM/ ASME or client-specific specification where we will work with the client to produce process route maps, and inspection and test plans (ITP).

All of our products are rigorously inspected by our quality team to ISO our internal 9001:2008 standards and include a full certification pack. Our heat treatment, in-house testing and ISO 17025 accredited laboratory also ensure all products comply with our customers’ exacting standards of quality and safety.

This has led to LoneStar Fasteners being added and used as the supply partner to most major OEM companies approved vendor lists, at the highest level of subsea critical bolting.

Oil and Gas core stock held materials

(All of EU origin and all with full raw material mill certification, with controlled elements and mechanical properties to meet the most demanding OEM and end user requirements)

  • A4-80 (Strain Hardened)
  • ASTM A193 B7
  • ASTM A320 L7
  • ASTM A320 L43
  • ASTM A453 660 Class A/B/C/D
  • Norsok M650 D59 32760 (Strain Hardened)
  • Norsok M650 D60 32760 (Solution Annealed)
  • Inconel 625
  • Inconel 718 - 120 and 140 KSI

Coatings and surface treatments

  • zinc
  • zinc nickel
  • hot dip galvanizing
  • ptfe - xylan
  • ptfe - Xylar
  • pfte - Teflon
  • phosphate magnesium & zinc
  • sheradizing
  • cadmium
  • zinc flakes
  • nickel
  • silver
  • molykote*
  • dry film lubricants

*registered trade names