High Performance Plasticating Barrels
Posi-Melt™ Multipurpose Screws
Posi-Melt™ MB Barrier Screws
Posi-Melt™ Extrusion Screws
Posi-Melt™ XLA Mixing Screws
Inject-EX™ Plasticating System

High Performance Nitrided Screw Barrel

High Performance Nitrided Screw Barrels represent advanced plasticating solutions engineered for superior melt quality and processing efficiency. These precision-manufactured components feature patented flight geometries, bimetallic construction, and barrier designs that maximize polymer exposure, reduce cycle times, and deliver consistent homogenization across thermoplastics and LSR materials. Ideal for injection molding, extrusion, and blow molding applications requiring exceptional durability and performance.

Our Range of Products

High Performance Plasticating Barrels

High Performance Plasticating Barrels

  • Bimetallic construction
  • Precision honed tolerance fit
  • Manufactured in United States
Posi-Melt™ Multipurpose Screws

Posi-Melt™ Multipurpose Screws

  • 60% increased barrel wall exposure
  • Patented un-tangential geometry
  • 14mm - 240mm diameter range
Posi-Melt™ MB Barrier Screws

Posi-Melt™ MB Barrier Screws

  • Single-channel barrier design
  • Extensional strain enhancement
  • Lower cost vs multi-channel
Posi-Melt™ Extrusion Screws

Posi-Melt™ Extrusion Screws

  • Custom extrusion design
  • Superior mixing performance
  • Faster color changeovers
Posi-Melt™ XLA Mixing Screws

Posi-Melt™ XLA Mixing Screws

  • Advanced dispersive mixing
  • Low pressure drop design
  • High throughput efficiency
Inject-EX™ Plasticating System

Inject-EX™ Plasticating System

  • Stationary screw design
  • Real-time melt monitoring
  • Ultra precise shot control

Frequently Asked Questions

What makes nitrided screw barrels more durable than standard designs?

Nitriding creates a hard, wear-resistant surface layer that dramatically extends service life in abrasive and corrosive processing environments, reducing replacement frequency and maintenance costs.

How does the Posi-Melt™ geometry improve melt quality?

Can these screw barrels retrofit into existing injection molding machines?

What diameter ranges are available for custom applications?

How quickly can I expect to see ROI from upgraded screw barrels?

What materials are compatible with these screw barrel systems?

Do you provide technical support for screw barrel selection and optimization?

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

Industries We Serve

Automotive Manufacturing

Automotive Manufacturing

Precision screw barrels for injection molded automotive components requiring consistent quality and fast cycle times.

Medical Device Manufacturing

Medical Device Manufacturing

Sterile component production with superior melt uniformity for critical healthcare applications and regulatory compliance.

Consumer Electronics

Consumer Electronics

High-volume production of plastic housings and components with tight tolerances and excellent surface finish.

Industrial Processing

Industrial Processing

Heavy-duty extrusion and molding for pipes, profiles, and industrial plastic products in demanding environments.

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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High-quality nitrided single screw barrels engineered for superior performance in injection molding and extrusion applications. Our bimetallic construction barrels feature precision-honed tolerances and hard-wearing liners that maximize equipment life while delivering consistent melt quality. Available in sizes from 14mm to 250mm, these barrels are designed for demanding processing environments requiring exceptional abrasion and corrosion resistance.
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Nitrided Extruder Screw Barrels: Precision & Performance

Nitrided extruder screw barrels engineered for superior wear resistance and extended service life in demanding plastics processing applications. Our precision-manufactured barrels feature hard abrasion-resistant liners bonded to high-strength steel backing, delivering optimal performance across injection molding, extrusion, blow molding, and LSR applications with diameters from 14mm to 250mm.
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Posi-Melt™ MB Barrier Screws

OEM Custom Nitrided Screw Barrel for Extruder Machines

Custom OEM nitrided screw barrels engineered for superior performance in extrusion and injection molding machines. Our patented Posi-Melt™ technology delivers up to 60% increased plastic exposure to barrel walls, ensuring uniform melt quality, faster changeovers, and reduced scrap. Available in diameters from 14mm to 260mm with bimetallic construction for maximum wear resistance and durability across thermoplastics, LSR, and specialty polymers.
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Why Plastics Processors Choose MD Plastics Inc

Patented Innovation

Eight patents including Posi-Melt™ geometry and Inject-EX™ technology deliver measurable productivity gains and superior melt quality for your operations.

Precision Engineering

Advanced design software calculates heat transfer, shear rates, and pressure profiles to optimize every screw and barrel for your specific application requirements.

25+ Years Experience

Founded in 1999 by industry veteran Mike Durina, we've helped leading manufacturers including Foxconn, Boston Scientific, and Aptiv maximize profitability through better plasticating components.

Ready to Improve Your Melt Quality and Reduce Scrap?

Our plasticating experts will review your application and recommend the optimal screw barrel solution. Expect a technical consultation within 24 hours.

Contact Us Today

For immediate assistance, feel free to give us a direct call at 3304825100 You can also send us a quick email at info@mdplastics.com