
Posi-Melt™ Multipurpose Screws
- Un-tangential design
- Drop-in replacement
- Multi-application versatility




Patented Technology
Advanced feed screws engineered for injection molding and extrusion applications. Featuring patented Posi-Melt™ technology that increases plastic exposure to barrel walls by up to 60%, delivering superior mixing, uniform melt quality, and faster material changeovers for enhanced productivity.
Talk to our experts for custom solutions and tailored guidance.
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What diameter range is available for these feed screws?
All Posi-Melt™ feed screws are available in diameter ranges from 14mm to 240mm with custom sizes available.
How much improvement can I expect in plastic mixing?
Are these screws compatible with existing injection molding machines?
What materials can be processed with these feed screws?
Do you offer custom screw design services?
What construction materials are used for the screws?
How do these screws reduce manufacturing costs?
Talk to our experts for custom solutions and tailored guidance.

Precision injection molded components with consistent quality for automotive interior and exterior parts.

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

High-quality plastic housings and components for electronic devices with excellent surface finish requirements.

Thermoplastic extrusion for pipe, profile, sheet, and film production with enhanced throughput and quality.
Talk to our experts for custom solutions and tailored guidance.



Eight patented technologies including Posi-Melt™ screws deliver superior performance with proven results across all polymer types and applications.
Founded in 1999 by industry veteran Mike Durina, with decades of experience in plasticating component design and manufacturing optimization.
Personal consultation with company owner Mike Durina and expert technical team for custom design services and application optimization.
Connect with our technical team for custom screw design consultation and application-specific recommendations.
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