Kaltfließgepresste Profilhülse für die Befestigung einer Dachreling | MN Kaltformteile

Strong in Function. Stable by Design.

Spacer Sleeves:
Precision Spacing
for Your Assemblies

Our spacer sleeves ensure defined tolerance positioning, balanced load distribution and reliable dimensional stability – even in assemblies where durability and structural integrity are non-negotiable.

Your advantages Contact us

Defined Distance. Structural Stability.

What Is a Spacer Sleeve?

A spacer sleeve is a cylindrical component designed to create a defined distance between two parts within a mechanical assembly.

Its functions include:

  • distributing forces evenly

  • damping vibrations

  • preventing overload conditions

Kaltfließgepresste Distanzhülse für Schließsysteme im Automotive-Bereich | MN Kaltformteile

Precision Beyond a Single Component

More Than Spacer Sleeves

Our portfolio comprises precision sleeves and bushings engineered to stabilise assemblies, reduce friction and perform reliably under demanding operating conditions.

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Support Sleeves

Engineered for Structural Stability
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Bearing Bushing

Engineered to Minimise Friction and Wear
Kaltfließgepresste Stufenhülse für Schließsysteme im Automotive-Bereich | MN Kaltformteile

Collar Bushing

Secure Axial Fixation in Dynamic Assemblies

The Proven Process for Series Production

Cold Extrusion: For High-Volume Production of Precision Spacer Sleeves

High-volume spacer sleeves demand a process that delivers both speed and precision.
Cold extrusion combines maximum output with tight tolerances and consistent series reliability.

Exact

Dimensional Accuracy

Cold extrusion delivers spacer sleeves with exceptionally tight tolerances and consistent dimensional stability - even across long production runs.
Low Roughness

High-Quality Surfaces

The process generates low-roughness surfaces, often eliminating secondary finishing steps.
Efficient

Material Utilisation

By forming instead of machining, cold extrusion achieves near-net-shape production - minimising waste and reducing material costs.
High-Volume

Consistent Quality

Cold extrusion enables the efficient production of spacer sleeves in large quantities - with tight tolerances and reproducible quality across every batch.
High Strength

Durable Under Load

Cold extrusion induces targeted work hardening in the material structure, increasing strength and load-bearing capacity.
The result: spacer sleeves that improve the durability and long-term reliability of your assemblies.
Sustainable

Economically Advantageous

Near-net-shape production reduces material waste and lowers costs -combining economic efficiency with responsible resource use.
Precisely Engineered

To Your Specification

From standard dimensions to fully customised designs, we manufacture spacer sleeves precisely to your technical requirements - reproducible and series-ready.
Flexibility

Application-Specific Materials

We tailor material selection to your functional requirements - whether prioritising strength, corrosion resistance or electrical conductivity.

Maintain Distance, Secure Function

Where Our Spacer Sleeves Perform

Our spacer sleeves are integrated into demanding industrial assemblies that require high volumes, tight tolerances and long-term reliability. Here are selected examples from series production:
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Oil Pans (Automotive)

With consistent length tolerances in the hundredth-millimetre range, our spacer sleeves ensure precise sealing to the body structure - preventing oil leakage throughout the vehicle’s service life.

Engines (Automotive)

In engine assemblies, spacer sleeves damp vibrations and stabilise critical connections — improving performance, durability and operational reliability.

Latches (Automotive)

In door locks and locking systems, our spacer sleeves act as precise spacers between components - increasing the functionality and security of the latch.

Window Fittings

Our spacer sleeves provide the necessary stability in window mechanisms, support their longevity and thus ensure reliable function over many years.

Customers Who Rely on Our Performance

Spacer Sleeves Built to Your Drawings

Let’s Bring Your Project into Production!

Send us your drawings.
We analyse your specifications and define the most efficient and process-stable production concept for your spacer sleeves.

- Volker Wolf, Commercial Managing Director
Portrait von Volker Wolf, Kaufmänn. Geschäftsführer bei MN Kaltformteile

Protect, Stabilise, Optimise

Spacer Sleeves: Small Components - System-Level Impact

Spacer sleeves are integral to many mechanical assemblies.
They maintain defined distances, stabilise connections and protect components from premature wear.

  • Maintaining Distances: They ensure the exact distance between components – a prerequisite for correct mechanical function and dimensional stability.
  • Increase Stability: By reinforcing and stabilising connections, spacer sleeves improve load distribution and structural integrity within assemblies.
  • Damping Vibrations: In engines and machinery, spacer sleeves reduce vibration-induced stress – extending component life and improving system reliability.
  • Preventing Wear and Tear: By preventing direct contact between components, they reduce friction, wear and the risk of material fatigue.
Kaltfließgepresste Profilhülse für eine Dachreling | MN Kaltformteile

From Aluminium to Specialised Alloys

Materials Engineered for Your Application

Spacer sleeves can be manufactured from a variety of metals selected according to the functional requirements of your application.
Each material offers specific mechanical and physical properties suited to defined operating conditions:

  • Aluminium: Lightweight with good strength-to-weight ratio – ideal for weight-sensitive assemblies.
  • Steel: High strength and load capacity for demanding mechanical applications.
  • Stainless Steel: Excellent corrosion resistance with high durability in aggressive environments.
  • Copper: High electrical conductivity for electrically functional components.
  • Brass: Good corrosion resistance and favourable sliding properties under mechanical stress.
  • Special alloys: Application-specific materials tailored to defined mechanical, thermal or electrical requirements.
Kaltfließgepresste Distanzhülse für Kraftstoffbrücken im Automotive-Bereich | MN Kaltformteile

No Rule of Thumb. Only Precision.

Spacer Sleeves - Precision Without Compromise

Spacer sleeves are manufactured under defined process parameters and strict quality controls.
Each component is produced precisely to customer specifications — meeting required tolerances and defined material properties without deviation.

Dimensional Stability within Defined Tolerances
Consistent Wall Thickness (from 1.5 mm)
High Resistance Under Mechanical Load

Secondary Operations. Post-Processing and Finishing.

Spacer Sleeves With or Without Thread

After cold forming, spacer sleeves can undergo additional finishing operations to meet specific functional requirements.
Targeted heat treatment enhances material strength and durability.

Internal and external threads are formed rather than cut — preserving material continuity, avoiding chip formation and increasing thread load capacity.

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No Distance. Just Facts.

Technical Insights into Our Spacer Sleeves

From materials and tolerances to manufacturing details, this FAQ provides clear answers to key technical questions.
For project-specific requirements, our engineering team is ready to assist.
  • What Is a Spacer Sleeve?

  • Where Are Spacer Sleeves Typically Used?

  • Which Materials Are Used for Spacer Sleeves?

  • What Functional Roles Do Spacer Sleeves Perform in Assemblies?

  • What Are the Advantages of Cold Extrusion for Spacer Sleeves?

  • What tolerances can be maintained when pressing the spacer sleeves?

  • Can Support Surfaces Be Manufactured Flat?

Beyond Spacer Sleeves

Customised Components Engineered for Your Application

  • Rivets: For permanent, mechanically secure joints.
  • Bolts: For high-strength, reliable fastening solutions.
  • Special Parts: Complex geometries engineered and cold-formed to your exact specifications.
Blaueingefärbte Nahaufnahme einer Rolle Draht für die Kaltumformung | MN Kaltformteile

More Output, Less Effort

Your Spacer Sleeves. In Expert Hands.

Let’s turn your specifications into reliable series components.
Our team supports you from initial consultation to finished production — precise, efficient and reliable.

– Volker Wolf, Commercial Managing Director / Sales Manager

Portrait von Volker Wolf, Kaufmänn. Geschäftsführer bei MN Kaltformteile

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