What is insert nut?

Insert nut, also known as a threaded insert, is a fitting that provides a threaded structure for the plate, similar to a rivet nut.

It has a circle of special organization on the periphery, and it is installed into a pre-drilled hole to prevent it from rotating. It has standard threads inside, can be subsequently installed Screws and accessories.

Can be used for wood, metal, sheet metal, aluminum and other composite materials.

Types of threaded insert nut

Thread Insert nuts can be divided into three main types according to the installation method: screw-in type, knock-in type and hot melt type.

According to their external structural characteristics, these nuts are further subdivided into A type, B type, D type, E type, I type, P type, T type and other categories.

Type A threaded insert nut
Type A threaded insert nut

Threaded insert nut for wood, external anti-slip teeth with metric threads inside

Nut dimensions:  M3 M4 M5 M6 M8 M10

Drill size: 4MM-10.8MM

Type B flanged threaded insert nut
Type B flanged threaded insert nut

It has the same structure as Type A, with an additional flange on the head, which is also used for wooden boards.

Nut dimensions:  M3 M4 M5 M6 M8 M10

Drill size: 4MM-10.8MM

Type D thread insert nut
Type D thread insert nut

Coarse thread on the outside, hex drive groove and flange on the other end.

Nut dimensions:  M3 M4 M5 M6 M8 M10

Drill size: 4MM-10MM

Type E wood insert nut
Type E wood insert nut

The external thread with multiple structures can fix the nut more strongly, and the head does not protrude, so it can be better embedded in the plate.

Nut dimensions:  M3 M4 M5 M6 M8 M10

Drill size: 4MM-10.8MM

T nut threaded insert

Also called claw tee nut, it has a disc structure at the head and four claw-shaped structures at the bottom, which can be embedded into the surface of the plate by hammering to form a stable structure.

Standard:DIN1624

Size: M5-M14

Hot melt threaded insert nut
Hot melt threaded insert nut

Hot-melt nut is a kind of nut made of brass material and cylindrical structure, with knurling or tooth design around the outside, which is embedded in plastic parts after heating.

Standard:DIN16903

Nut dimensions: M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10

Drill size: 1.6MM-8MM

Stainless steel threaded insert nut
Stainless steel threaded insert nut

Stainless steel threaded embedded nuts are also used for wood structures. There are threads inside and outside, and they can be installed by drilling pilot holes.

Nut dimensions: M2 M2.5 M3 M3.5 M4 M5 M6 M8 M10

Drill size: 1.6MM-8MM

Open end rivet nut

It is a threaded insert nut fixed by riveting. It is mainly used for thin metal plates or plastic plates and needs to be installed with professional tools.

Nut dimensions: M3 M4 M5 M6 M8 M10 M12

8 Products Found.

Application scenario about threaded insert nut

Threaded insert nuts have been widely used in electronic equipment, furniture manufacturing, mechanical equipment, automobile manufacturing and other fields because of their high strength and easy installation.

Electronic devices: Threaded insert nuts are used to fix components such as electronic components, circuit boards and housings, such as computers, mobile phones, televisions, and tablets.

Furniture manufacturing: In furniture manufacturing, wood insert nuts are used to fix various connectors of furniture, such as wooden beds, wooden tables, chairs and benches, etc.

Mechanical equipment: In the assembly of mechanical equipment, Hot melt brass threaded insert nuts are also used in many places. For example, hot-melt embedded nuts are used in the parts assembly of 3d printers.

Automobile manufacturing: In the automobile manufacturing process, embedded nuts are widely used in the assembly of body structures and other parts.

Application of toggle bolts

Various parameters of threaded insert nut

Threaded insert nut size chart

Plain, Galvanized, HDG, Nickel Plated, Copper plating, black oxidation, passivation, polishing, power coated and so on
Aluminum , Zinc alloy, carbon steel , 304 Stainless Steel,  316 Stainless Steel,  Copper, Brass
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T nut vs threaded insert, What's the difference?

There are many types of T nuts, including T slider nuts, t Slot Nut, T climbing nut, Furniture Four Claw T Nut. Where T climbing nut and Four Claw T Nut Also belongs to the category of thread embedding. The other two categories do not belong to this category.

How to install wood insert nuts?

1.Determine the borehole size: First, consult the corresponding table to determine the correct borehole diameter according to the required embedded nut specifications.

2.Clean the pilot hole: After drilling the pilot hole, be sure to thoroughly clean the metal chips and other debris in the hole.

3.Install the insert nut:

  • For smash-in insert nuts: Use a hammer to gently tap the bottom of the nut, taking care not to install the nut backwards. Keep tapping evenly until the top of the nut is flush with the surface of the connector. This step requires caution to avoid damaging the nut or connector.
  • For screw-in threaded insertnuts: Use an allen wrench to slowly screw in the nut from the other end of the mounting surface. Make sure that the wrench and nut fit tightly to avoid slipping. During the screwing-in process, keep the force uniform until the nut is completely fixed in the predetermined position.

Through the above steps, the correct installation of the threaded insert nut can be ensured.

If we are interested in your insert nut cargo, can we order free samples?

For the T&Y hardware industry, standard samples are free charge ,for new customers ,we required to pay for freight ,and charge will return after order confirm

How about our insert nut processing time ?

For Standard carbon steel  and stainless steel insert nut, T&Y hardware processing time is  in 10-15 days after confirming the order, if for special 316 stainless steel or brass insert nut , will last 25-30 days

Can I Accept Small Order ?

We usually keep stock for standard items ,If not special items , No MOQ required 

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