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 ...

As Charlie Chaplin figured out during his brief assembly-line career depicted in the 1936 film Modern Times, tightening bolts all day can be a real pain. Lucky for Charlie, and for any one of us ...

All joints serve some purpose, or no one would have bought the fasteners and taken the time to install them. Consider the cost of failure anywhere from minor property damage to major loss of life or ...