Your result
Locking ability |
3 out of 5 |
Reusability |
Not Applicable |
Worker safety |
2 out of 5 |
Initial cost |
Medium |
Lifetime cost |
Medium |
Locking ability |
3 out of 5 |
Reusability |
Not Applicable |
Worker safety |
2 out of 5 |
Initial cost |
Medium |
Lifetime cost |
Medium |
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.
Download and read the full version in the eBook below "Why do bolts loosen?"
The biggest challenge for a bolted joint, causing it to lose preload and fail, is spontaneous loosening often caused by vibrations. This Junker test shows all 5 nuts rotated loose! A steep decline in the graph indicates a failure. Read more about the Junker Test.