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 ...

Single-thread-engaging nuts are formed by stamping a thread-engaging impression in a flat piece of metal. They are used for lighter-duty applications than multiple-thread nuts of the same size. These ...

The degree to which a ball screw performs well in the field is the direct result of the process used to make it. Grinding, rolling, and whirling are the most common ways to thread ball screws. Some ...