When a bolt or screw breaks off it leaves the hot rodder feeling befuddled and without hope. But take heart—Summit Racing Equipment, Harbor Freight, and Dave Akard of Burbank Speed are here to help ...

A worn bolt hole threatens a CAT D9T. How does precision thread repair bring this bulldozer back to strength?

Stripped transmission pan bolt holes can cause leaks and major frustration during repairs. In this video, we fix the damaged ...

Ever been strolling through a hardware store or perhaps an auto parts establishment and wondered of the meaning behind the markings on the hundreds of thousands of bolt heads on the shelf? Whether you ...

If the nuts and bolts in your car aren't properly tightened, each drive could lead to damaged breaks or the wheels falling off of your vehicle.

If you enjoyed this article, I’d like to ask for your support. Scientific American has served as an advocate for science and industry for 180 years, and right now may be the most critical moment in ...