Understanding Screw-Threaded Components in Mechanical Engineering

In the context of mechanical engineering, a screw thread is a ridge of raised threads on a cylindrical object that is designed to be rotated by a screw driver or other tool. The term "screw-threaded" refers to the presence of these threads on an object.

For example, a bolt or nut is typically screw-threaded, meaning that it has threads on its surface that allow it to be tightened or loosened by turning it with a screw driver. Similarly, a screw-threaded hole in a piece of metal or plastic is designed to accept a screw or bolt with matching threads.

The term "screw-threaded" is often used interchangeably with "threaded" or "with threads," and it is commonly used in technical specifications and drawings to describe the threading characteristics of a part or component.