QUALITY

 

 

 

Inspection

Fasteners Unlimited offers a full range of fastener inspection and testing services. Our team brings over 40 years of inspection experience. All measuring and test equipment is routinely monitored, calibrated, and traceable to NIST (National Institute of Standards and Technology).

 

Equipment

 

  • Conventional Inspection

    • Thread Gages

    • Plug Gages

    • Height Gages

    • Micrometers

    • Calipers 

    • Surface Plates

    • Surface Finish Gage

    • Pin Hole Gages

  • Optical Comparator 

  • System 22

    • Johnson Gage

  • Torque Testing

 

Metallurgical Testing

  • Microstructure 

  • Macrostructure 

  • Grain Size

  • Decarburization 

 

Mechanical Testing

 

  • Tensile Testing

    • Full Size Bolts

    • Wedge

    • Axial 

  • High Temperature Tesile 

  • Charpy Impact

  • Hydrogen Embrittlement 

  • Shear Testing

  • Hardness Testing

    • Rockwell "B" and "C"

  • Proof Load

 

Non-Destructive Testing

  • Magnetic Particle Inspection (ASTM E1444)

  • Liquid Penetrant

  • Ultrasonic Testing