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Self-tapping socket
- 20 million self-tapping sockets designed per year
- Co-designer of custom fasteners for 100 years and owner of the Intervis® brand
- From M2.5 to M16 and from 6 mm to 22 mm
- Steel (raw, zinc-plated), stainless steel, brass, etc.
The INTERVIS self-tapping socket, also called self-tapping threaded insert, is a metal fastening element with an internal thread, as well as an external thread.
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Threaded socket - Self-tapping socket - Intervis
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Threaded socket - Self-tapping socket - Intervis
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From design to serial production of your parts
Co-Design and Development
1
In close collaboration with the engineers of the LGC design office, you will define the specifications, technical requirements and constraints of the project.
- Feasibility control using the FMEA tool, which is used to analyze failure modes, their effects and their criticality.
Prototyping and Testing
2
Once the concept is approved, the project team creates physical prototypes using a 3D machine and simulation software such as SolidWorks Premium, Spacerclaim.
- Manufacture of initial samples in medium series, and validation of production with PPAP according to the IATF 16949 standard.
Industrialization and Production
3
The serial transition is carried out according to the validated process according to the production control plan written by a multidisciplinary team.
- Development of detailed production processes according to the APQP quality process
Assessment and Improvement
4
After 3 to 6 months of series production, an evaluation based on the criteria required by the IATF 16949 standard verifies the conformity of the project at 100%.
- Collection and analysis of production data to identify trends and variations. 3PPM in 2023.
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What is a threaded socket?
To make repairs or make threads in materials that cannot be tapped, the self-tapping threaded sockets are indispensable.
In soft and medium-hard materials such as light alloys, plastics or even compressed wood, taps often do not withstand repeated stresses. If a screw is tightened too hard or too frequently, the threads may break off, making the part unusable.
This is where the self-tapping socket also called threaded insert or threaded socket comes into play!
One self-tapping threaded socket creates an extremely solid anchor with the material in which it is installed because the threaded socket itself creates its own thread during assembly. With this type of self-tapping socket, it is therefore not necessary to pre-drill, unlike other conventional threaded inserts, or to drill and then tap as if installing a helicopter. A self-tapping socket thus offers increased pull-out resistance during loosening.
One Intervis self-tapping threaded socket has a standard thread and an appropriate external thread.
- An external thread truncation.
- Two slots with sharp edges.
By using this set, you can screw the threaded socket directly into a smooth, pre-drilled hole, just like you would with a tap.
Threaded insert, self-tapping threaded socket: the advantages of Intervis®
At LGC Industries, we have developed the Intervis brand, an innovative threaded insert, also known as a threaded socket or self-tapping socket.
The Intervis threaded socket offers a practical tapping and screwing solution, allowing you to insert your socket directly into a pre-drilled hole. Thanks to its ability to cut its own thread into the material, this self-tapping socket guarantees additional safety and solidity.
We recommend using an Intervis threaded socket in your aluminum assemblies, as its surface treatment eliminates the electrolytic couple between the two materials. Piercing groups are an average indicator. During installation, it is advisable to test by drilling 1/10th above or below the diameter indicated to take into account the particular characteristics of certain materials.
Intervis® threaded sockets have several advantages:
- Can be inserted into the material without pre-tapping
- Elimination of clearance between the spacer and the part
- Excellent pull-out resistance
- Between 30% and 40% of coverage, Intervis® reaches its maximum resistance to tearing
- Eliminating tap wear
- Absolute safety during use
At LGC Industries, there are several ranges of Intervis® self-tapping threaded sockets available in various materials such as Crude Steel (SCTA), Zinc-plated Steel without chrome 6 (SCT), Brass or Stainless Steel.
The different types of Intervis® threaded inserts
Intervis standard slotted threaded insert
The standard Intervis® slotted threaded insert is inserted directly into a previously drilled hole. It works like a tap by creating the thread in the hole itself. This type of attachment is ideal for medium-hard materials such as light alloys, compressed woods or plastics. The installation of this self-tapping socket is simple and effective.
Intervis 3-hole slotted threaded insert
For the Intervis® STHC slotted threaded inserts of low height, we added 3 holes on the self-tapping socket in order to facilitate the evacuation of material chips when tapping the assembly material.
In summary, the Intervis® SCTH 3-hole threaded insert is a practical alternative to the standard Intervis® 1-slot threaded slotted inserts in cases where the heights and thicknesses are smaller.
Would you like to learn more about our Intervis® self-tapping threaded sockets?
Go to our dedicated article: Everything you need to know about Intervis® threaded inserts
All of our Intervis® threaded inserts are available in:
- Stainless steel
- Steel
- Brass