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 ...

Q-Please tell us how to keep the screws in our steel lawn furniture from working loose all the time. A-Fortunately, there is an easy way to secure many screws and bolts used in metal fixtures and ...

Tapping screws form mating threads in materials they are driven into. There are two basic types: thread forming and thread cutting. The thread-forming screw displaced material around the pilot hole so ...

There’s a wide range of factors that have an effect on fasteners and their reusability. Here’s a look at the major ones and what can be done to limit their effects on fasteners. The drive on a ...