Why do bolts loosen

Why do bolts loosen

An in-depth look at technologies designed to prevent this from happening

Nord-Lock Group Ebook - Why Do Bolts Loosen

Our eBook "Why Do Bolts Loosen" explores the topic of why bolted joints lose preload and how to prevent it from happening.

By downloading your copy of the eBook, you will be introduced to:

  • The basics of preload
  • The various causes of loss of preload in a bolted joint
  • The four methods of locking bolts, and how each of them works
  • Pros and cons of the common bolt locking technologies

Plus a print-friendly Guidance for Selection, to help you evaluate which bolt locking technology to use in your applications

Get the free eBook

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More insights and references

Videos Video: Nord-Lock Washers in the Junker Vibration Test Nord-Lock washers are compared with other locking methods in the Junker vibration test, which is considered to be the most severe vibration test for bolted connections. Watch now
Knowledge The History of the Bolt When were the first bolts made and what were they used for? Nord-Lock Group traces the history of the bolt, from ancient Egypt through to modern day bolts & screws. Read more
Bolting Tips The Experts: Getting the most out of fasteners Before you re-use bolts, you should always consider the security level of the assembly and economic factors. Read more
Knowledge Thread Standards: The Search for a Red Thread Let's explore the history, the evolution and the future of these crucial but often overlooked thread standards. Read more
Bolting Tips How to Optimize a Bolted Joint Through Clamped Length? Clamped length is the free length of a bolt that is stretched under tension. Find out what is the optimal bolt length that you should consider. Read more

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