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What is a nut?

December 29, 2023

What is a nut?

A nut is a mechanical connecting element that usually has an internal thread structure and is used to mate with bolts or screws. The main function of the nut is to fix the bolt or screw to other parts and provide tightening force to ensure the stability and safety of the connection.

The following are the basic characteristics and uses of nuts:

Thread Construction: A nut usually has internal threads, which allow it to rotate on the external threads of a bolt or screw. By rotating the nut, it can be pulled against the bolt or screw, creating a tightening force.

Material: Nuts are usually made of metal (such as steel, stainless steel, copper, aluminum, etc.) or plastic. Material selection depends on the application, taking into account strength, corrosion resistance and environmental conditions.

Type: There are many types of nuts, including hex nuts, square nuts, round nuts, lock nuts, plug nuts, etc. Different types of nuts are suitable for different applications and connection methods.

Purpose: Nuts are often used with bolts or screws to secure parts together, such as in mechanical, structural, automotive, electronics, furniture, and other fields. They play an important role in assembly and repair.

Size: The size of a nut is usually determined by the diameter and pitch of its internal threads. Nuts of different sizes match bolts or screws of different sizes.

Nuts are an integral part of mechanical connections, they allow for detachable connections between components, thereby facilitating maintenance and repair. Depending on the specific application needs, it is important to select the appropriate type and size of nut to ensure a strong and reliable connection.


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