
Posi-Melt™ Extrusion Screws
- Custom Flight Geometry
- High Throughput Design
- Low Pressure Drop




Patented Technology
Advanced injection molding screws featuring patented Posi-Melt™ technology for superior plastic melting, mixing, and processing. Our barrier screws, extrusion screws, and multipurpose designs deliver up to 60% increased plastic exposure to barrel walls, ensuring uniform melt quality, faster changeovers, and enhanced productivity across all thermoplastic materials.
Talk to our experts for custom solutions and tailored guidance.
Apply Filters




What is screw in injection molding?
A screw is the key component that melts, mixes, and meters plastic material in injection molding machines for consistent part quality.
What is the screw diameter in injection molding?
What is a barrier screw?
How does Posi-Melt™ technology improve injection molding performance?
What materials are compatible with these injection molding screws?
Can these screws be retrofitted into existing injection molding machines?
What are the benefits of faster color changeovers?
Talk to our experts for custom solutions and tailored guidance.

Precision injection molded components for automotive interiors, exteriors, and under-hood applications.

Sterile plastic components for medical devices requiring precise material control and consistency.

High-quality plastic housings and components for consumer electronic devices and appliances.

General industrial plastic processing and manufacturing across diverse thermoplastic applications.
Talk to our experts for custom solutions and tailored guidance.



Founded by Mike Durina with AAS in Plastic Engineering and BS in Industrial Engineering, delivering proven plasticating solutions since 1999.
Multiple U.S. patents for innovative screw designs that increase plastic exposure by 60% for superior melt quality and productivity.
Direct consultation with founder Mike Durina and custom engineering using proprietary design software for optimized solutions.
Connect with our engineering team for technical consultation and custom screw design tailored to your specific application requirements.
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
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