What is a Blind Insert?

All About Blind Threaded Inserts

If you worked in A shop setting, you probably have heard or used something that’s called blind threaded inserts. Or some other variant names like A rivet nut.

For those who have not heard about this unique tool; its fastener that can be used to join two materials together. Although blind threaded inserts have been around for quite some time, many people are unaware of this type of fastener exist.

What makes this tool special is that you can use it to join two materials together without using traditional screws or welds. A blind threaded insert is a lifesaver when you are working on a tubular object or a panel in which you are unable to access the back part of that particular object.

Using Rivets is so reliable, the transportation industry relies on rivets when constructing components.

How does blind threaded inserts work?

Blind threaded inserts are a lifesaver, ever wanted to know the magic behind the rivets and what makes them do what they do.

When using a blind threaded insert, the rivet nut is inserted inside a hole using a pressure tool called a mandrel. Once the mandrel is powered, the magic begins. Keep in mind that the insert has an unthreaded section. The unthreaded part of the insert bulges up against the undersurface of the application, acting as a fastener. The installation tool stud is removed, leaving the insert in place and ready for the attachment screw to be placed.

Industries that use blind threaded inserts

Car manufacturers

Car manufacturers use certain types of blinded threaded inserts known as rivets to fastened thin sheets of metal together without welding. Blind threaded inserts allow car manufacturers to join two different materials that are not the same. With rivets, car manufacturers can be creative with materials that they join together.

Aviation

In Aviation manufacturing industry rivets are used on various components of a plane such as the wings and landing gear. Blind threaded inserts are just a strong as traditional welds.

avk industrial distributors have many various threaded inserts to choose from. Here is a brief description of a few.

A-k Series threaded insert

This insert has a flat head design. This design allows for high load applications. And the body of this particular insert is knurled for high torque applications.

A-H Series threaded insert

This insert features a hex body design. The hex body design of the A-H series allows the body of the insert to expand and fill the hole, preventing the insert from spinning.

A-L Series threaded insert

This insert has a knurled body design with a sizeable diameter-low profile head, making it ideal for use in punched or drilled holes.

A-R Series

This insert can be used for many types of material. The A-R also has a vast grip range and with its four high load-bearing, which makes it suitable for use in plastics or thin sheet metals.

R-N Series threaded insert

This insert has a substantial duty head profile and increased wall thickness in the collapse area makes the R-N RivetNut ideal for leg leveling. It also has a countersunk design feature which allows it to be installed flush against the surface of the application. The R-N Insert can be installed either before or after the finish.

So there you have it, By now you should have some understanding of how blind threaded inserts work. Keep in mind that there there is much more to cover when it comes down to blind threaded inserts.

 

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