Attaching metal pieces to one another with a screw is relatively straightforward. But using threaded fasteners on plastics, which are lightweight, low-density materials compared to metals, can be ...

Overview of Threaded Fasteners summarizes the most common types of threaded fasteners and how they are used to join parts. Bolts and screws are both externally threaded fasteners. Bolts generally fit ...

Shoulder screws, also known as shoulder bolts and stripper bolts, are machine screws with an integral shoulder or journal between the head and thread. Although they are not readily available in local ...