Your result

Locking Ability

3

Reusability

0

Worker safety

2

Initial cost

Medium

Lifetime cost

Medium

SCALE:    0 = Not Applicable.   1 = Unsuitable.   5 = Excellent.

How did we calculate?

Is adhesive effective
against bolt loosening?

The adhesive is applied to the thread of the bolt and tightened immediately. Adhesives cannot be directly applied to the fastener as they require a clean surface to ensure optimum bonding, which increases installation time. Adhesive also requires curing time before they can be safely used, which can take up to 24 hours. It is important to choose the right adhesive for your application, material, and temperature, to get the optimal locking ability. Indeed, some adhesives can be removed through heating so they cannot be used at high temperatures. 

Read the full version in the eBook "Why do bolts loosen?"
(A comparison between common bolt securing options)
Scroll down to access the ebook.

DID YOU WAIT LONG ENOUGH FOR THE ADHESIVE TO CURE?

The biggest challenge for a bolted joint, causing it to lose preload and fail, is spontaneous loosening. Vibrations are everywhere.


This video shows all 5 nuts rotated loose!
A steep decline in the graph indicates a failure.
 

This Junker test shows all 5 nuts rotated loose! 

(The Junker test is the most severe vibration test for bolted connections. The bolted joint is exposed to transverse movements underneath the bolt head or nut, while the clamping force is continuously measured.) 
The effectiveness of different locking methods can easily be compared.

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Which bolt locking product should I use?

See how different bolt locking products perform.

What you will find in the eBook:

  • Pros and cons of the different bolt locking methods
  • Evaluation of different products
  • A print-friendly Guidance for Selection, to help you decide which product to use in your applications

 

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