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Home Technical Publications Self-Loosening of Threaded Fasteners

Self-Loosening of Threaded Fasteners

Non-rotational loosening is often caused by the embedding of the surfaces in the joint. In contrast, rotational loosening is primarily caused by a transverse slip in the joint. Both types of loosening can impact threaded fasteners after initial tightening.

In this article, Dr. Eccles describes the steps that can be taken during the design process to reduce the effects of embedment and the likelihood of self-loosening.

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