ISO 5393:2017 Preview

Rotary tools for threaded fasteners -- Performance test method

ISO 5393:2017 specifies a laboratory performance test method for power assembly tools (referred throughout the document as "tool") for installing threaded fasteners.

ISO 5393:2017 provides a method for the measurement of torque repeatability (scatter)

- over a range of torque rates as specified in this document,

- over a range of torque adjustment as defined by the manufacturer, and

- over a number of operating cycles as defined by the manufacturer.

ISO 5393:2017 provides a method for the measurement of the precision of the built-in torque measurement system for tools incorporating such a feature. See Annex E.

ISO 5393:2017 gives instructions on equipment parameters, what to test for and how to evaluate and present the test data.

ISO 5393:2017 is applicable to tools

- of any power source, e.g. pneumatic, hydraulic, and electric, including battery-powered,

- which apply torque in a generally continuous manner, and

- within the torque range 0,5 Nm to 2 000 Nm. Outside this range, it is acceptable to modify the test method providing that the modification is documented in the test report.

ISO 5393:2017 is not applicable to

- impact or impulse wrenches,

- ratchet wrenches or wrenches with ratcheting clutches, and

- other tools which advance fasteners in discontinuous increments, overcoming static friction at each increment.

ISO 5393:2017 allows a test to be performed at any test torque level; however, in order to minimize the number of test joints necessary for a wide range of test torque levels, a list of preferred test torque levels is provided in Annex A.


General information

  • Status :  Published
    Publication date : 2017-11
  • Edition : 3
    Number of pages : 43
  • :
    ISO/TC 118/SC 3
    Pneumatic tools and machines
  • 25.140.10
    Pneumatic tools

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