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 ...

This is a preview. Log in through your library . Abstract This paper reviews the origin, nature, systematic distribution, and the respective function of the highly variable and diverse thread-forming ...

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 ...

SECO TOOLS launched a new thread cutting and forming taps product line that encompasses three performance levels, allowing manufacturers to cost-effectively match the right tap to their particular ...

The strength of some internal threads is more sensitive to tap diameter than previously thought. • Cold-formed threads are no stronger than cut threads when holes are correctly sized. • Cut threads ...