Blind rivet nuts, also known as rivnuts, are widely used fasteners designed to provide strong, threaded connections in materials where only one side is accessible. These fasteners offer a practical solution in various industries, such as automotive, construction, and manufacturing, where creating durable connections in thin or inaccessible materials is essential. 

Blind rivet nuts are tubular fasteners that have internal threads, allowing them to receive screws or bolts once installed. The term "blind" refers to their ability to be installed from one side of the workpiece, making them ideal for applications where the back side is not accessible, such as hollow sections or enclosed areas.

They are typically used when it’s impractical to use standard nuts and bolts or when installing into thin materials where tapping or welding is not suitable. Blind rivet nuts can be installed in materials like sheet metal, plastic, composites, and thin-walled tubes, offering versatility across different industries.

Key Benefits of Blind Rivet Nuts
Blind rivet nuts provide several practical advantages that make them a popular choice in fastening applications:

One-Sided Installation: The most significant advantage is the ability to install the fastener from one side, making it perfect for use in closed sections, enclosures, or areas with limited access.

Enhanced Load Capacity: Once installed, blind rivet nuts create strong, load-bearing threads capable of withstanding high forces, making them ideal for structural applications requiring secure fastening.

Versatility: These fasteners can be used with a wide range of materials, including metal, plastic, and wood, making them suitable for various industries and applications.

Minimal Surface Damage: Unlike welding or self-tapping screws, blind rivet nuts don’t damage the surrounding material, ensuring the integrity of both the material and the fastener.

Fast and Easy Installation: Blind rivet nuts can be quickly installed with basic tools, saving time and reducing labor costs in comparison to traditional fastening methods like welding or tapping.

Practical Applications
Blind rivet nuts are widely used in industries where they provide reliable and durable fastening solutions. Some common applications include:

Automotive: They are commonly used in vehicle manufacturing to secure components like body panels, interior trim, and brackets. Since many areas in automotive design are hollow or inaccessible, blind rivet nuts provide an effective fastening solution.

Construction: Blind rivet nuts are used in construction projects for securing metal framing, window and door installations, and handrails. Their ability to create strong attachment points in hollow sections makes them ideal for metal structures.

Manufacturing and Electronics: These nuts are often used in assembling electronic enclosures and other devices where space is limited, and traditional fasteners can’t be applied from both sides.

Furniture and Appliances: Blind rivet nuts are used in the assembly of metal furniture and appliances, providing durable threaded connections in thin or delicate materials.

Types of Blind Rivet Nuts
There are different types of blind rivet nuts, each designed for specific applications:

Standard Round-Body Rivet Nuts: These are the most common and versatile type, suitable for general fastening in metal or plastic materials.

Hexagonal Rivet Nuts: Featuring a hex-shaped body, these nuts are designed to prevent spinning in the hole during installation or under torque. They are ideal for applications that require higher resistance to twisting forces.

Countersunk Rivet Nuts: These nuts sit flush with the surface once installed, providing a smooth and aesthetically pleasing finish, ideal for applications where a clean appearance is essential.

Closed-End Rivet Nuts: These are designed to prevent liquid or air from passing through the nut, making them suitable for applications requiring a sealed, watertight connection.