Core Hardness and Surface Hardness in Fasteners

The hardness of steel is a measure of the steel’s ability to resist deformation, such as abrasion and indentation, when a load is applied to the material. In this article, we will look at hardness for externally threaded screws, bolts, and studs made from alloy or carbon steel. Most fastener standards and specifications have two […]

The Difference Between ISO and IATF Certifications

If you poke around a few industrial websites, you’ll begin to notice plenty of references to ISO 9001 certification. If you happen to be on an automotive supplier website, you may notice a reference to being IATF certified. Finally, if the company website you are perusing has an internal lab, you might see a mention […]