Often, the quick solution is to use lockwashers or thread-lock compounds. A more-permanent, less-costly solution from Balax Inc., North Lake, Wis. (www.balax.com), is to thread the hole with their ...

This compact machine could be valuable for education and training purposes as well as low-volume production work that shops might not want to run on their traditional Swiss-types.

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 ...