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Standards for Fastener Test Methods

Test method standards for fasteners cover test procedures for screws and nuts, gauging their performance under the conditions they are intended for. Test procedures are available for both inch and metric series fasteners.

 Test Methods for Screws
 Test Methods for Nuts

Test Methods for Screws

IFI-166:2007

Inspection Procedure for Thread Nicks - Inch Series

IFI-154:2005

A Standard Test Procedure for Qualification of Anti-Cross Threading Screws

IFI-124:2002

Test Procedures for the Performance of Nonmetallic Resistant Element Prevailing-Torque Screws

IFI-125:2007

Test Procedure for the Performance of Chemical Coated Prevailing-Torque Screws

IFI-524:2002

Test Procedure for the Performance of Metric Nonmetallic Resistant Element Prevailing-Torque Screws

IFI-525:2007

Test Procedure for the Prevailing-Torque Performance of Metric Chemical Coated Screws

IFI-554:2005

A Standard Test Procedure for Qualification of Anti-Cross Threading Screws

Test Methods for Nuts

IFI-155:2005

Test Procedure for the Performance of Nonmetallic Resistant Element Prevailing-Torque Nuts

IFI-555:2005

Test Procedure for the Performance of Nonmetallic Resistant Element Prevailing-Torque Nuts - Metric Series

IFI-160:2007

Test Procedure for the Performance of Nuts With Pre-applied Adhesive Coated Threads - Inch Series

IFI-560:2007

Test Procedure for the Performance of Nuts With Pre-applied Adhesive Coated Threads - Metric Series

ISO 10484:1997

Widening test on nuts

ISO 9140:1998

Aerospace - Nuts, plain or slotted (castellated) - Test methods

ISO 8642:2008

Aerospace - Self-locking nuts with maximum operating temperature greater than 425 degrees C - Test methods

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