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 ...

What do the small lines or numbers stamped on a bolt actually mean, and why do they matter? In an article featured on ...

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 ...

For many racers, nuts and bolts are some of the most misunderstood parts on the car. Many of us do not really know a great deal about these fasteners in general. We might misuse them or make poor ...

An Introduction to the Design and Behavior of Bolted Joints, John G. Bickford, 1995 Threaded-fastener technology has been around since screws were used at the Hanging Gardens of Babylon in the 7th ...

For many racers, nuts and bolts are some of the most misunderstood parts on the car. Many of us do not really know a great deal about these fasteners in general. We might misuse them or make poor ...