This document describes the locking torque test method for blind fasteners, threaded type. This test method is used to measure the locking torque of blind fasteners with internal thread and external sleeve. It is applicable to blind fasteners consisting out of four elements (drive nut, nut, sleeve and corebolt) having a cross recess at the top of the nut.
Status: PublishedPublication date: 2021-07
Edition: 1Number of pages: 4
Technical Committee: ISO/TC 20/SC 4 Aerospace fastener systems
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