From prototyping to millions of parts, our injection molding division delivers consistent, high-quality components with rapid cycle times and tight tolerances across a wide range of thermoplastics and engineering resins.
MetalCore's injection molding division combines advanced machinery, expert toolmaking, and rigorous quality control to deliver parts that meet the most demanding specifications.
Our 40,000 sq ft molding facility is equipped with 35 injection molding machines ranging from 45 to 700 tons of clamping force. We serve industries from medical devices to automotive, producing everything from tiny connectors to large structural components.
Whether you need 100 prototype units or 10 million production parts, our team provides end-to-end support โ from design for manufacturability (DFM) analysis and mold design to production and secondary operations.
Comprehensive injection molding services from concept through mass production.
Design for Manufacturability reviews using mold flow simulation to optimize part design, reduce costs, and prevent defects before tooling begins.
In-house mold design and fabrication with rapid prototype tooling in aluminum or hard steel production molds with 1M+ cycle lifespan.
Automated molding with cycle times as fast as 8 seconds, producing millions of consistent parts with minimal human intervention.
Multi-material molding including soft-touch overmolds, metal insert molding, and multi-shot molding for integrated assemblies.
Precision micro injection molding for parts under 1 gram with tolerances as tight as ยฑ0.005mm for medical and electronics applications.
Complete value-added services including trimming, ultrasonic welding, pad printing, labeling, assembly, and kitting.
Our fleet of injection molding machines covers a wide range of part sizes and production requirements.
| Specification | Capability Range | Notes |
|---|---|---|
| Clamping Force | 45 to 700 Tons | 35 Machines |
| Shot Weight (Plastic) | 5 to 8,500 grams | Thermoplastics |
| Shot Weight (Steel) | 3 to 5,200 grams | Density ratio based |
| Tie-Bar Spacing (Vertical) | 200 to 800 mm | Mold fit range |
| Tie-Bar Spacing (Horizontal) | 200 to 900 mm | Mold fit range |
| Platen Opening | 400 to 1,400 mm | Ejector stroke |
| Part Weight Range | 0.5 to 5,000 grams | Micro to large structural |
| Tolerances | ยฑ0.005 to ยฑ0.05 mm | Class 1-3 |
| Cycle Time | 8 to 120 seconds | Part dependent |
| Cavities | 1 to 128 cavities | Micro parts up to 128 |
| Annual Capacity | 50M+ parts | Across all machines |
We work with a comprehensive range of commodity, engineering, and specialty plastics.
Tough, versatile thermoplastic for consumer goods and automotive interiors.
CommodityHigh impact resistance and optical clarity for medical and electronics.
EngineeringWear-resistant, strong fibers for gears, bearings, and automotive parts.
EngineeringChemical resistant, lightweight material for packaging and medical devices.
CommodityStiff, low-friction material for precision mechanical components.
EngineeringHigh-performance polymer for aerospace and medical implant applications.
SpecialtyThermoplastic elastomers for soft-touch grips and flexible components.
ElastomerCombines PC strength with ABS processability for electronics housings.
EngineeringClear, strong material for packaging, medical, and consumer products.
EngineeringUltra-high performance for extreme temperature and chemical environments.
SpecialtyCrystal-clear optical properties for lighting and display applications.
EngineeringSustainable PLA, PHA, and bio-based materials for eco-conscious products.
SustainableOur streamlined injection molding process ensures quality, efficiency, and on-time delivery.
Design for manufacturability analysis with mold flow simulation and cost optimization.
3D mold design, prototyping, and engineering sign-off before fabrication begins.
Precision mold fabrication with T1 sample parts and comprehensive validation.
High-volume molding with SPC monitoring, automated inspection, and traceability.
Secondary ops, quality inspection, packaging, and JIT delivery to your facility.
Our injection molding capabilities support a diverse range of industries and applications.
Syringes, surgical instruments, IV components, diagnostic housings, and implantable devices in cleanroom environments.
Interior trim, dash components, connectors, fluid reservoirs, and exterior body panels for OEM and aftermarket.
Connector housings, cable assemblies, switch components, sensor bodies, and protective enclosures.
Appliance components, packaging, toys, sporting goods, and everyday consumer items in high volumes.
Valve components, pump housings, fasteners, tool handles, and machinery parts built for durability.
5G components, connector housings, cable management parts, and networking equipment enclosures.
Here's what sets MetalCore apart from other injection molding suppliers.
In-house mold design, fabrication, and production means faster turnaround, better communication, and single-source accountability.
Real-time SPC monitoring on every production run ensures consistent part quality and catches variations before they become defects.
On-site CMM, optical inspection, material analysis, and functional testing ensure every shipment meets your specifications.
Functional prototypes in 5-10 business days with aluminum or soft steel molds โ validate before committing to hard tooling.
Complete material lot traceability, batch records, and certification documentation for every production lot we ship.
Regenerative grinding, regrind management, energy-efficient machines, and bioplastic processing to reduce environmental impact.
Common questions about our plastic injection molding services.
Send us your CAD files or part specifications and our engineering team will provide a detailed DFM analysis and competitive quote within 48 hours.
Tell us about your injection molding project and we'll get back to you with a comprehensive quote including DFM analysis, tooling costs, and production pricing.