Does the sequence in which a jam nut and a standard nut are installed make a difference? Definitely. A jam nut is a thinner-than-average nut tightened against a standard-height nut to lock the two ...

Did you ever notice that highly stressed fasteners like rod, main, and head bolts don't use any locking devices? These critical fasteners stay tight by being stretched-they work like clamps. If a ...

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 ...