Posi-Melt™ Multipurpose Screws
Mini-Shut™ Automatic Shut-Off Nozzle
MDP™ Performance Non-Return Valve
Posi-Shut™ Automatic Shut-Off Valve
Patent Protected Technology certified

Patent Protected Technology

Made in USA certified

Made in USA

High-Performance Injection Molding Screw Tips

Advanced injection molding screw tips engineered for superior polymer processing performance. Our patented designs deliver enhanced mixing, precise shutoff control, and extended service life across all thermoplastic materials from 14mm to 260mm diameter applications.

Our Range of Products
Posi-Melt™ Multipurpose Screws

Posi-Melt™ Multipurpose Screws

  • 60% increased plastic exposure
  • Superior mixing performance
  • 14-240mm diameter range
Mini-Shut™ Automatic Shut-Off Nozzle

Mini-Shut™ Automatic Shut-Off Nozzle

  • Instant drool elimination
  • Universal compatibility
  • Fast shipping availability
MDP™ Performance Non-Return Valve

MDP™ Performance Non-Return Valve

  • Lowest pressure drop design
  • 6-7 year service life
  • All polymer compatibility
Posi-Shut™ Automatic Shut-Off Valve

Posi-Shut™ Automatic Shut-Off Valve

  • Instantaneous shutoff control
  • Independent screw operation
  • H13 tool steel construction

Frequently Asked Questions

What diameter range do these injection molding screw tips cover?

Our screw tips cover 14mm to 260mm diameter range for all machine sizes and applications.

How do patented designs improve injection molding performance?

What polymers are compatible with these screw tips?

How long is the typical service life for these components?

Can these screw tips eliminate drooling and stringing issues?

Are custom designs available for specific applications?

What technical support is available for installation and setup?

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 injection molded automotive components requiring superior melt quality and consistency

Medical Device Manufacturing

Medical Device Manufacturing

Sterile plastic components and precision molding for critical medical device applications

Consumer Electronics

Consumer Electronics

High-quality plastic housing components for electronic devices requiring precise dimensional control

Industrial Processing

Industrial Processing

Heavy-duty plastic processing for industrial applications requiring enhanced durability and performance

Didn't find what you're looking for?

Talk to our experts for custom solutions and tailored guidance.

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Why Injection Molders Choose Md Plastics Inc

Patented Innovation Leadership

Eight patents including breakthrough technologies like Posi-Melt™ screws and Mini-Shut™ valves that revolutionize polymer processing efficiency.

25+ Years Engineering Excellence

Founded by industry veteran Mike Durina with decades of experience growing plasticating solutions from concept to market leadership.

Complete Technical Support

Direct consultation with company founder, custom design solutions, and comprehensive technical documentation for optimal performance.

Get Expert Guidance for Your Injection Molding Application

Connect with our technical team for custom screw tip recommendations and specifications tailored to your specific polymer processing needs.

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