Like it or not, Detroit's going metric. New-design engines, chassis, and drivetrains are in most instances entirely metric. Older engines and chassis may have a combination of both standard (English) ...

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 ...

A special thread form keeps bolts and nuts tight under vibration by attacking the problem from a different angle. Two conventional methods for securing threaded fasteners against preload loss include ...

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 ...

Few things disturb us more than the bewilderment of a broken bolt or seized pipe plug in a casting. You’re at a loss for how to get the darned thing out. This is when you have to slow down and come up ...

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 ...

I ran into a problem while doing a top-end rebuild of the stock 350 Chevy small-block in my 1974 El Camino. I discovered while trying to reinstall a new factory-style balancer bolt and -inch-thick ...