A boring tool is a specialized instrument used in machining to create precise holes in various materials, such as metal or wood. It works by removing material from the inside of a pre-existing hole, making it larger or achieving a specific shape. Boring tools come in different types, including boring bars and reamers, each designed for specific applications and levels of precision. These tools are essential in industries like manufacturing and construction, where accuracy is crucial. By using a boring tool, workers can ensure that holes are perfectly sized for components like bolts or screws, leading to better assembly and overall product quality.