There may be needless vibration (something like the frame of an automobile plagued with a loose bolt).

Not a loose bolt in you, my man.

"But I'm afraid you're going to have a few loose bolts to tighten when you get back."

I prayed for pelicans sucked into the turbines and loose bolts and ice on the wings.

It's all good practice, Musgrave points out: a loose or broken bolt floating through the telescope would do as much damage as a hand grenade.

An investigation subsequently found that loose bolts bent and broke under the riders' weight, causing the collapse.

He flicked the loose bolts over his shoulder.

Sara tries to regain control, but a loose bolt has jammed the elevator.

Routinely, a loose 10mm bolt or two can be found rattling around high-mileage M42 sumps.

Finding a number of loose bolts could suggest that the solution is relatively simple: replace the bolts more often.