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 ...

It's tempting to reuse cylinder head bolts, especially if they pass the eye test. But there are some kinds of bolts you should never, ever reuse.

When hot rodders build a street machine or street rod, countless hours are expended selecting the proper major components, building the drivetrain, detailing the chassis, choosing the right tires and ...

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 ...

The new Huck 360 nut and bolt from Alcoa Fastening Systems, Waco, Tex., resists vibrations and doesn’t loosen regardless of the vibrations or environment. It can also be installed quickly using ...

It’s easy to cut bolts and small machine screws to length. On the other hand, there isn’t any job so small or simple that it can’t be done wrong, and this is a classic example. Get it right, and you ...

I was wondering whether a mechanical engineer type here could provide a reference for the proper grade of bolt to screw into a cast iron engine block. My theory, which appears to be backed by ...

Exhaust manifold bolts help form a seal between the block and the manifold. However, these bolts can fail over time. Here's ...

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 ...