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 ...

A few of the screws in my case have stripped threads and I can't remove them. They are easy to turn but just fall back into place at one point, and is seemingly impossible to remove.<BR><BR>How do I ...

Shoulder screws, also known as shoulder bolts and stripper bolts, are machine screws with an integral shoulder or journal between the head and thread. Although they are not readily available in local ...

One of the six simple machines, a screw is nothing more than an inclined plane wrapped around a center pole. While today screws come in standard sizes, and typically are tightened by turning clockwise ...

News & Views Published: 01 January 1966 Metric Screw Threads Nature 209, 20 (1966) Cite this article ...

For those times when you could really use a quick 3D model, this metric screw generator will do the trick for screws between M2 and M16 with matching nuts and washers. Fastener hardware is pretty ...

It is said that for every 100 lb of weight removed from a vehicle, its mpg improves by an average of 1% to 2%. This is critical to the auto companies that must find ways to increase their average ...