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 clever 3-thread rule will enable you to fix engagement problems when using bolts, and it will also help you avoid issues ...

Over the past few weeks we've looked at handy flexible hose clamp pliers, screw-holding screwdrivers and battery desulfators that rescue batteries from the dead. This week's cool tool, the nut and ...

The bolt has always gotten the glory, but the nut is the real star. It can be round or square, winged or crenellated, easy to remove or impossible to remove. Around since the 15th century, it’s been ...