Inspection Services

A class leading 17025 accredited laboratory

LoneStar Fasteners operate a fully controlled quality system ensuring full traceability of our products, from the initial supply source, into our manufacturing and distribution facility and right through to customer despatch.

This system includes a full range of destructive and non-destructive testing which is undertaken in-house in our state of the art ISO 17025 accredited laboratory. This ensures our products conform to the relevant standards and that our methods, equipment and quality controls meet the highest standards set by the demanding needs of the energy markets.


The main scope of the initial accreditation primarily concerns the important tests surrounding but not limited to:

  • Ambient Temperatures (BS EN ISO 6892-1)
  • Impact (BS EN ISO 148-1)
  • Stress Rupture BS EN 10291)

We offer an extensive range of testing capabilities including a full range of destructive and non-destructive testing:

  • Full Size Tensile Testing
  • Elevated Tensile Testing
  • Stress Rupture
  • Impact Testing
  • Decarburisation
  • Hardness Testing
  • Proof Load
  • P.M.I
  • Micro Structure
  • Grain Size
  • Chemical Analysis
  • Mechanical Analysis
  • Dye Pen
  • Ultrasonic Testing