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A bolt-nut-washer combination refers to the use of a bolt, a nut, and a washer together in a fastening system. This combination is commonly used to securely join two or more objects together.

The bolt is a threaded cylindrical shaft with a head on one end and threads on the other end. The nut is a small, hexagonal or square-shaped metal piece with a threaded hole in the center. The washer is a thin, flat, circular metal or plastic disc with a hole in the center.

To assemble the bolt-nut-washer combination, the bolt is inserted through the holes of the objects being fastened. The washer is then placed over the bolt, followed by the nut. The nut is tightened onto the threaded end of the bolt, applying pressure to the washer and creating a secure and reliable connection.

The washer serves several purposes in this combination. It helps to distribute the load more evenly across the surface being fastened, preventing damage or deformation. It also acts as a spacer, providing a smooth and even surface for the nut to tighten against. Additionally, the washer can help to prevent loosening or slipping of the nut over time.

The size, material, and type of the bolt, nut, and washer should be selected based on the specific requirements of the project, including the load, the material being fastened, and the environmental conditions.

Overall, the bolt-nut-washer combination is a widely used and versatile fastening system that provides a secure and reliable connection between objects. It is commonly used in construction, automotive, manufacturing, and various other industries and applications.

BOLT-NUT-WASHER (Set)