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  • A2LA and PRI/Nadcap accredited
  • FREE pick up & delivery within 60 miles of LTI
  • Same day, next-day, 2nd-day rush services
  • FREE online order tracking
  • Email and online certifications

Our Customers Say:

“I wanted to say thank you to the LTI Team for all the support they have provided in our source inspections, as well as on expedited projects. It is nice to work with a group that not only has technical knowledge, but cares about getting the job done right the first time. I know I can count on the LTI team to help me in many situations. N.G.K. Metals looks forward to many more years of working with you.”

David Britt,
N.G.K. Metals Corp.

» READ MORE TESTIMONIALS


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Fastener

Catch Problems Before They Cost You

Whether you order testing for raw materials, finished fasteners, or to research quality issues with production, you will benefit from identifying and correcting weaknesses or defects before costly problems occur. Laboratory Testing Inc. offers a broad range of fastener testing, dimensional inspection and failure analysis capabilities to keep your business operating efficiently:

Fastener Testing

Metallurgical Testing

A wide-range of microstructure and macrostructure examinations are performed including:

  • Grain Size
  • Carburization / Dearburization
  • Plating Thickness
  • Surface Contamination
  • Alpha Case
  • Thread Examination
  • Macro-etch
  • Grain Flow

Microhardness testing and failure analyses are also performed by our materials engineers.

Mechanical Testing

LTI can determine the mechanical properties of your materials such as strength, hardness and load capacity.

  • Hardness Testing
  • Magnetic Permeability
  • Double Shear
  • Yield Strength
  • Wedge & Axial Tensile
  • Proof Load Testing
  • Cone Strip Test
  • Flattening
  • Hydrogen Embrittlement  / Stress Durability
  • Rotation Capacity Test

Equipment is available to test fasteners of all sizes including tensile machines with capacities from 100 to 400,000 lbs.

Chemical Analysis

A variety of chemistry services are provided for analyzing elements and impurities, revealing material composition and identifying materials.

  • ICP Spectrometry (ICP-AES, ICP-MS)
  • AES Analysis
  • FTIR Analysis
  • Carbon/Sulfur/Nitrogen/Oxygen/Hydrogen Determination
  • Positive Material Identification (PMI)

 Nondestructive Testing

We will identify surface-breaking discontinuities without damaging your test samples.

  • Magnetic Particle Inspection
  • Liquid Penetrant Testing
  • Ultrasonic Testing
  • X-ray Inspection (Radiography)

Dimensional Inspection

Dimensional inspection of fasteners with internal or external threads is performed by the inspectors in our division called LTI Metrology using CMM, Smartscope and optical inspection methods. The Smartscope is programmable for repeat measurement, ensuring accurate and efficient inspection of large-quantity orders. Dimensional inspection is performed in accordance with NAS, MS and ANSI specifications.

Failure Analysis

Our materials engineers complete thorough failure investigations to determine the root cause of failed fasteners. All work and results are documented for you in a Failure Analysis Report.

Additional Services

Laboratory Testing Inc. is more than a materials and fastener testing company. We also provide related services to save you time and simplify your job. Let us prepare any specimens needed for testing or take advantage of the calibration services offered by LTI Metrology to certify the measurement accuracy of your measuring tools, gages, torque wrenches, masters, CMMs, surface plates and many other measuring instruments.

Request a Quote or Contact Us for quick information and answers to your questions.