Injection molding can bolster performance and cut the cost of power-transmission nuts. The performance of power-transmission nuts made from plastics can vary drastically depending on how they are ...

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 ...

I've used them for ages but never had to buy them. Is there any practical difference in the various sizes of screws and cage nuts? M6 seems to be the prolific choice, but I see 12-24 and 10-32 are ...

This close-up of the ball contact in a profile projector shows a gothic arch. It consists of at least two radii slightly larger than the ball used, but offset so the raceway touches the ball on both ...