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 ...

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 ...

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 ...