What Are The Types Of Hex Nuts?

Hex nuts, also known as hexagon nuts or hexagonal nuts, are a type of fastener with six flat sides. They are designed to be used with bolts, screws, or studs to create secure connections in various applications. There are several types of hex nuts, each with its specific design and use.

Here are some common types of hex nuts:

Regular Hex Nuts: Regular hex nuts are the standard type of hex nuts with six flat sides and internal threads. They are the most common type and are used in a wide range of general applications.

Jam Nuts: Jam nuts are thin hex nuts that are typically used as secondary nuts in applications where vibration or loosening may occur. They are tightened against another full-size nut to lock it in place and prevent it from loosening.

Nyloc Nuts (Nylon Insert Lock Nuts): Nyloc nuts have a nylon insert at the top of the internal threads. When the bolt or screw is tightened, the nylon insert deforms and creates a prevailing torque, which resists loosening caused by vibration. These nuts are commonly used in applications where a reliable and vibration-resistant connection is required.

Wing Nuts: Wing nuts have two large, flat wings protruding from the sides of the nut. These wings allow for hand-tightening without the need for tools. They are often used in applications where frequent assembly and disassembly are required, and tools may not be readily available.

Acorn Nuts (Cap Nuts): Acorn nuts, also known as cap nuts, have a dome-shaped top that covers the threaded end of a bolt or stud. They are used for aesthetic purposes, covering exposed threads and providing a finished appearance.

Coupling Nuts: Coupling nuts are longer hex nuts designed to join two threaded rods or studs together. They have internal threads throughout their length, allowing for extended connections between threaded components.

Square Nuts: Square nuts have four sides and are commonly used with square bolts in specific applications. They provide a larger contact surface than regular hex nuts and are often used in applications where twisting forces may be a concern.

Flange Nuts: Flange nuts have a built-in washer-like flange at the base, which distributes the load and helps prevent damage to the surface of the connected material. They are often used in applications where the nut needs to bear against a large surface area.

These are some of the most common types of hex nuts available. Each type has its advantages and best-suited applications, so choosing the right type of hex nut depends on the specific requirements of the project or application.

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