Fasteners are an important class of components that are widely used in various industrial fields and daily life. This article classifies fasteners and provides an overview of them, including bolt types such as hexagonal bolts and double-headed bolts...

Bolt preload creates pressure between the contact surfaces of the connected parts.  The greater......

Thread inspection disputes and inspection rule characteristicsThread inspection is one of the most controversial events in trade. Due to the inconsistency of thread inspection methods and rules, thread gauges sometimes "fight". Different coatings on the surface of threaded fasteners, thread gauge di