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Extrusion Dies


High-Performance Extrusion Dies for Metal and Polymer Processing


Modern’s extrusion dies are precision-engineered tools used to shape metals, alloys, and polymers into consistent cross-sectional profiles. Designed for high-performance extrusion processes, our dies ensure superior dimensional accuracy, smooth surface finish, and long service life.

Using advanced manufacturing techniques and premium materials such as polycrystalline diamond (PCD) and tungsten carbide, we deliver reliable solutions for demanding industrial applications.


Extrusion Dies for crosshead lines require tight geometry, wear resistance, and smooth surfaces to run fast and hold concentricity. As a high-capacity manufacturer, we design and build custom extrusion tooling for insulation, jacketing, skin/stripe, and micro-bore profiles in PE, XLPE, PVC, PA, FEP, and PTFE. Size capability spans Φ0.012–Φ40.0 mm, with advanced drilling, grinding, polishing, and metrology supporting medical‑grade finishes when required.


What Are Extrusion Dies


Extrusion dies are critical components in the extrusion process, where material is forced through a die opening to form a specific shape. These dies control:

  • Profile accuracy and dimensional tolerance

  • Surface quality of extruded materials

  • Material flow consistency

  • Production efficiency and stability

Well-designed extrusion dies help reduce deformation, improve product consistency, and extend tool life.


Our Main Extrusion Die Solution


TypeMaterialBest ForKey AdvantagesApplications
PCD Extrusion DiesPolycrystalline Diamond (PCD)High precision & long-life extrusionExcellent wear resistance
       High dimensional stability
       Smooth surface finish
       Long service life
Cable manufacturing
       Precision metal tubing
       Automotive components
       Polymer extrusion

Our PCD extrusion dies are the preferred choice for manufacturers requiring high accuracy, consistent output, and reduced maintenance frequency.


Types of Extrusion Dies & Tooling


We supply complete tip and die sets for standard and specialty configurations, engineered for stable melt flow, repeatable dimensions, and fast changeovers.

TypePrimary useKey benefits
Tip & die setsConcentric insulation/jacketingMatched geometries; fine adjustability
Pressure diesBonded coatingsStrong adhesion; smooth finish
Tube & semi‑tube diesLoose or controlled peel jacketsStable OD; tunable adhesion
Multi‑layer/co‑extrusionDual/triple layers; skinsClean interfaces; layer control
Striping/profile & micro‑boreIdentification, features, micro‑coaxPrecision bores; quick changeovers


Tip and Die Sets for Crosshead Extrusion

Matched tip/die geometry and optimized clearance enable rapid centering, minimal start‑up scrap, and stable OD/ID across polymers.


Materials for Extrusion Dies


Material choice affects wear life, finish, and cost.

MaterialWearFinishUse case
PCD (diamond)HighestUltra‑smoothAbrasive fillers; high speed
Tungsten carbideHighGoodGeneral‑purpose lines
Tool steel + CVD/PVDModerate–highLow frictionBalanced performance


Applications of Extrusion Dies


Cable and Wire Industry

Used for shaping insulation layers and conductive materials with precise dimensional control.


Automotive Components

Supports production of high-precision extruded parts used in automotive systems.


Metal Tubing and Profiles

Ensures uniform shape and surface finish for tubes and complex cross-sectional profiles.


Polymer and Plastic Extrusion

Provides stable flow and consistent shaping in plastic and polymer extrusion processes.


Key Advantages of Our Extrusion Dies


  • High Dimensional Accuracy – precise profile control

  • Optimized Material Flow – reduced deformation and defects

  • Superior Surface Finish – improved product quality

  • Extended Service Life – lower tooling replacement cost

  • Custom Design Capability – tailored to your application


Selection Guidance for Extrusion Dies


Set drawdown ratio to balance wall thickness and surface quality. Choose entrance angles to manage shear and bonding. Match bearing length to stability needs while controlling friction and heat. For FEP/PTFE, prioritize ultra‑smooth lands and gentle transitions.


Custom Extrusion Die Solutions


Each extrusion die is custom-built based on your production requirements:

  • Custom profile design and geometry

  • Tolerance and precision optimization

  • Material compatibility analysis

  • CAD/CAM simulation for flow optimization

  • Design for complex and multi-hole extrusion

Our engineering team ensures stable extrusion performance and efficient production.


Quality Control and Manufacturing


  • High-precision machining and polishing

  • Dimensional inspection and tolerance verification

  • Surface finish control

  • Performance testing for extrusion stability

Every die is manufactured to meet industrial standards and ensure consistent performance.


FAQ About Extrusion Dies


What are extrusion dies used for?

Extrusion dies are used to shape materials into specific cross-sectional profiles during extrusion processes.


Why choose PCD extrusion dies?

PCD dies offer superior wear resistance, longer life, and better precision compared to conventional materials.


Can extrusion dies be customized?

Yes, all extrusion dies can be designed based on your profile shape, material, and production requirements.


What materials can be processed?

Extrusion dies can be used for metals, alloys, plastics, and polymers.


How do I choose between PCD and carbide?

Use PCD for abrasive fillers, long campaigns, or highest finish; choose carbide or coated steel for standard duties and budget goals.


How can I improve concentricity and finish?

Verify crosshead alignment, adjust drawdown, and match entrance and land geometry to polymer behavior. Keep lands clean.


Request a Quote


Ready to specify? As a dedicated Extrusion Dies manufacturer, we respond quickly with DFM and scheduling. Share polymer, target OD/ID, line speed, crosshead model, tolerances, and any finish requirements to receive a clear proposal and timeline.



Our Company Can Adjust its Processes According to Customer Requirements to Produce Different Molds.

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  Email : yizhaosun1@gmail.com
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