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What is flat head blind rivet nut?

A blind rivet nut is a one-piece internally threaded and counter bored tubular rivet that can be anchored entirely from one side. There are two types: one is designed to form a bulge on the backside of the panel as a screw is tightened in its threads. The other is similarly drawn in using a screw but is drawn into the sleeve instead of creating a bulge. These types of blind threaded nutserts are available in inch and metric sizes. The use of blind nutserts has been proven to be an efficient and cost-effective way to fasten a wide range of applications. Other types of fastening methods including bolting, welding, screwing and applying solid rivets all require extensive time and labor.

Applications

The fastening fields of rivet nuts, pull caps, and instant pull caps are currently widely used in the assembly of electromechanical and light industrial products such as automobiles, aviation, instruments, furniture, and decoration. Developed to solve the shortcomings of thin metal plates and thin tube welding nuts, easy to tap internal threads, etc. It does not need to tap internal threads, does not require welding nuts, has high efficiency, and is easy to use.

The nut of a certain product needs to be installed on the outside, and the space inside is narrow, the head of the riveting machine cannot be entered for crimping, and the methods such as budding cannot meet the strength requirements, then crimping and riveting are not feasible. Must be riveted. It is suitable for the fastening of various thickness plates and pipes (0.5MM-6MM).

the types of the blind rivet nuts

There are a wide range of blind rivet nuts that can be used for any given project. The blind nutserts that will be right for you will largely depend on your overall project requirement needs.  include:

Large flange, smooth body

Small flange, smooth body

Ribbed, large flange

Ribbed, small flange

Half hex, large flange

Full hex, large flange

Swage, small flange

Swage, Knurled body

Pre-bulbed, slotted body

Straight shank, slotted body

Floating threads

Blind Threaded Insert Material Options

Blind rivet nuts are available in a variety of materials, sizes, and styles. They are ideal for use in limited access applications—when only one side of the host material is accessible. They are made using steel, stainless steel, aluminum, brass, or copper materials and are available in various finishes depending on the aesthetic requirements of your application. Head styles of these industrial fasteners include large flange, countersunk, or protruding head.

Blind rivet nuts are quick and easy to install industrial fasteners. They are valued for the bonding power and certain rivets can provide a tight seal that prevents outside debris or contamination and are available in inch or metric measurements.

Blind Rivet Nut Advantages

There are numerous benefits that can be ascertained from the utilization of a blind threaded insert, some of which include:

Incredible Versatility – Blind rivet nuts are available in many types, sizes and materials to meet a wide range of requirements of increasingly demanding applications.

Low Overall Cost – It has been estimated that up to 15 rivets per minute can be installed without any specialized labor. The unit cost is also much lower than other types of fastener devices.

Advanced Reliability – Clamped materials that are provided the correct rivet, are built to withstand extreme vibration and severe environmental conditions.

Blind Threaded Insert Installation Procedures

Blind rivet nuts provide a convenient and effective way to fasten two or more materials, without the hassle of welding or bolting. The process for installing blind nutserts include the following steps:

The blind threaded insert is initially set into place by applying the stem through the shell. This allows the shell to deform and securely clamp the material into place.

After the desired clamp is attained, the stem breaks off and is no longer required.

A small portion of the stem remains connected to the bottom of the shell, which allows the proper clamping force to be retained within the joint.

Specialized hand or pneumatic tools then extract the stem from the blind rivet nut, leaving only the installed rivet.

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