They hold together everything from the most delicate watch to the largest bridge. The world is literally kept from coming apart by screws and bolts, and yet we don’t often give a thought to these ...

There’s a wide range of factors that have an effect on fasteners and their reusability. Here’s a look at the major ones and what can be done to limit their effects on fasteners. The drive on a ...

A special thread form keeps bolts and nuts tight under vibration by attacking the problem from a different angle. Two conventional methods for securing threaded fasteners against preload loss include ...