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 ...

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) ...

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 ...

You've got a damaged bolt-maybe it's stripped, maybe it's bent-so you head to the hardware store for a replacement. There you are, surrounded by bolts, nuts, washers, and all sorts of small hardware.