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 ...

It’s easy to cut bolts and small machine screws to length. On the other hand, there isn’t any job so small or simple that it can’t be done wrong, and this is a classic example. Get it right, and you ...

Roy Underhill shows how to use an 1889 foot-driven metal working lathe. Make your own darn metal screws with this 1889 foot-powered lathe! Roy shows how to cut perfect threads, cones and tapers in ...

Screw machines are specialized automated metalworking lathes that were first developed in Switzerland during the late 1800s to produce large numbers of identical parts such as screws. At that time, ...

Hydraulic jacks and screw jacks serve the same basic purpose, allowing mechanics to lift and support heavy loads in the shop. That said, there are some pretty major differences in how they work, the ...

You’ve experienced this. You glance into your refrigerator and say to yourself, “hmmm, low on ketchup, I better pick some up.” That’s how I am with shop supplies. I constantly scan my stash of glue, ...

A Wednesday posting on Reddit shows an asymmetrical screw, allegedly designed by Apple, that would be impossible to remove with tools currently available on the market. While the authenticity of the ...