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Threaded bushing
- 35 million casings designed each year
- Co-designer of custom fasteners for 100 years and manufacturer of standard products
- From M2.5 to M20 and from 6 mm to 22 mm
- Steel, stainless steel, brass, etc. (other materials available on request).
Threaded bushes are cylindrical fasteners designed with an internal thread. They enable parts to be assembled and fastened with greater resistance to tearing. These parts can also be overmolded.
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Threaded bushing - threaded cylindrical spacer
Recognized design, manufacturing and improvement methods
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Our customers and their applications
Threaded bushing - threaded cylindrical spacer
Today, we produce the fasteners of tomorrow
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From design to mass production of your parts
Co-design and development
1
Working closely with LGC's design engineers, you will define the project's specifications, technical requirements and constraints.
- Feasibility checks using the FMEA tool, which is used to analyze failure modes, their effects and criticality.
Prototyping and Testing
2
Once the concept has been approved, the project team creates physical prototypes using a 3D machine and simulation software such as SolidWorks Premium and Spacerclaim.
- Production of initial samples in medium series, and validation of production with PPAPs in accordance with IATF 16949.
Industrialization and Production
3
The production process is validated according to the production control plan drawn up by a multi-disciplinary 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 assessment based on the criteria required by IATF 16949 verifies 100% project conformity.
- Collection and analysis of production data to identify trends and variations. 3PPM in 2023.
Production to support you
The advantages of manufacturing with LGC Industries
Fastening expertise from a certified manufacturer
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The threaded bushing: assembly and fastening in a single piece
Threaded bushes are an essential part of a solid, long-lasting fastening system. Thanks to their cylindrical design with internal threading, they offer excellent pull-out resistance.
You can screw and unscrew them at will, making assembly and disassembly much easier.
At LGC, we understand the importance of tailoring solutions to meet your specific needs. That's why we're with you every step of the way, offering prototyping, measurement and tear-out services. What's more, our expertise enables us to help you industrialize your project by offering efficient installation and assembly solutions.
How is an LGC threaded bushing made?
From material to threaded bushing
The manufacturing process for threaded bushes begins with steps similar to those for threaded inserts and self-tapping bushes.
The first step is to prepare the reel of raw material.
The part is then cold-formed, which improves the material's elastic resistance.
The second step is to cut the raw material tube on a suitable machine.
The tube is cut to the desired length. Chamfers or finishes can be added to the material.
Next, the part passes through a grinding stage. A roller presses the part against a high-speed grinding wheel. Thanks to the abrasion of the grinding wheel, the diameter of the part is modified to achieve tolerances of a few microns (~5-6 μm).
Finally, it's time to tap! A rotating tap will pass inside the part to give it the right internal thread.
What are the advantages of a threaded bushing?
- Reinforcement in soft materials: the threaded bushing reinforces fasteners in soft materials, offering increased strength for fasteners with screws and bolts. This is particularly useful in assemblies subject to heavy loads.
- Increased service life: thanks to its ability to provide a stronger thread, the threaded bushing extends the service life of the assembly by minimizing thread wear over time.
- Reduced risk of tapping out: these spacers reduce the risk of tapping out, ensuring stable fastening even in conditions where loads may vary.
- Ease of repair: in the event of a damaged thread, a threaded bushing offers an efficient repair option, eliminating the need to replace costly components.
- Application in demanding environments: the threaded bushing stands up well to demanding environments, offering a reliable solution even in conditions where other fastening methods might fail.
Would you like to find out more about the design of our sockets?
Visit our dedicated article: All you need to know about LGC sockets