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 ...

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 ...

What do the small lines or numbers stamped on a bolt actually mean, and why do they matter? In an article featured on HelloNation, Tanner Chaffin of Action Fasteners & Supply in Spokane, Washington, ...