5 Tips to Install Rivet Nuts

For some projects, it may seem difficult to find a fastener which works with thin or brittle materials. Here is where rivet nuts come in. They are also known by the names blind nuts, blind bolt nuts, and threaded inserts. The rivet nuts are a variation on the traditional rivet. They have a tubular splined, square or hexagonal body, and are internally threaded with counterbored. Blind fasteners are used to attach the rivet nuts in cases where only one end of the workpiece can be reached. It's extremely versatile.

Here are some tips and tricks for installing rivet nuts.

1. Make sure you choose the right rivet nuts

There are two types. One is designed to form a bulge at the application's side while the screw, pin, bolt is tightened. The second is pulled into an a sleeves, and so doesn't bulge. How can you tell which type to choose? It all depends upon your application. These features and styles are worth considering:

Wide front-side Flanche: This rivet nut feature is designed to provide a large load-bearing surface that will both reinforce the hole, and keep it from being pushed into the ground.

Thick Flange: This feature is useful for spacing and additional push-out strength.

Countersunk/low-profile head: With this feature, you ensure an installation that is nearly or completely flush.

Wedge head. The wedges beneath the head keep fasteners from "biting" in the mating material and prevent them turning in the hole. This feature works well with soft materials such plastic, fiberglass and aluminum.

Shape: Rivet nuts can be splined or square, hexagonal or smooth and round. Each style is designed to keep the fastener in place at high torque levels.

Open or closed: Rivet nuts may be either open- or close-ended. These styles prevent water and dust entering the assembly such as in an automotive installation.

Thin or thick walls: Thin wall rivet nut (also known by standard style) offers keyed heads.

For any questions regarding the type of rivet nuts you will need, consult a fastener expert.

2. You can use this in many different materials.

Rivet nuts provide reliable, easy-to install fasteners that can deliver strong load-bearing splines into weak or very thin materials such as extrusions and panels, castings, panels and tubes. Due to their flexibility in grip, rivet nuts can fit into many material thicknesses.

3. It is more versatile than other fasteners.

These rivet nuts can be made from aluminum and stainless steel as well as steel, brass and monel. Rivet nuts are resistant to heat unlike other fasteners like weld nut. In many cases, rivet nuts are more practical than other fasteners.

4. Perfect for your industry.

These fasteners are easy to use and can be attached to dashboards or to the chassis and bodywork to connect spoilers, roof racks, radiators, roof racks, and other items. Rivet nuts are perfect for any stage of production.

5. Use the right tools

One of the main benefits of rivet nuts is their ability to quickly assemble and have lower installation costs than other fasteners. Because rivet nuts can be easily automated for use in factory settings, many power tools are mounted to a 6-axis robot. However, for individual use you can install rivets using light-weight and portable hand tools as well as air/hydraulic setting tool. These are the top choices:

"Spinspin" tool: The rivet is threaded onto an adapter on the pneumatic tool's mandrel and then placed into a hole on your workpiece. The mandrel spins quickly when the power tool activation is complete to pull and unthreaded shank portion towards the blind side of the workpiece. The bulge acts as a clamping force, gripping the sheet when it presses against the back panel. Once the rivetnut has been secured, the mandrel spins the opposite way to free itself from nut.

"Spinpull" tool: This tool is similar to "spinspin", but uses an air motor to thread the nut onto its mandrel. Hydropneumatic pressure can be applied to the riveted nut when it is inserted into a workpiece. After the rivet nut is removed, the air motor can be re-engaged and the mandrel pulled out by the motor. These tools can be used to make plastic workpieces.

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