Custom Insert Molding Service
Strong, precise, and built to last—our insert molding services combine metal and plastic into high-performance parts without the need for secondary assembly.
- Handles custom metal or plastic inserts with tight alignment
- ±0.05 mm molding accuracy for reliable fit and function
- Scalable from low-volume prototypes to full production runs
Get a New Insert Molding Quote
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Koonze Model Insert Molding Services
Koonze Model offers precision insert molding services that integrate metal or plastic inserts directly into molded parts—eliminating the need for secondary assembly. Whether you’re working with threaded fasteners, contacts, bushings, or custom CNC-machined inserts, we ensure tight alignment, strong bonding, and repeatable accuracy.
Our team supports both prototype and production volumes, with fast lead times and design-for-manufacturing support along the way. From functional housings to high-performance connectors, we help you create durable, multi-material components that perform under pressure.
Applications for Insert Molding
Insert molding produces dense, smooth-surfaced parts built for real-world use and mechanical reliability.
Ideal for scale—insert molding delivers consistent quality from thousands to millions of parts.
Why Choose Inserting Molding Services
Precision Fit, Every Time
We machine inserts and mold around them with tight tolerances—ensuring perfect alignment and consistent part quality.
Strong, Reliable Bonding
With optimized material pairing and molding parameters, we achieve durable bonds that stand up to mechanical stress.
Fast Prototyping to Scaled Runs
Whether you need a handful of test parts or millions in production, we’re built for speed and scale.
Full In-House Capability
From insert machining to final molding, we handle everything under one roof—cutting lead times and improving control.
Get a Free Insert Molding Quote
Upload your CAD files and get expert feedback within 24 hours—no strings attached.
Materials for Insert Molding
We provide a wide selection of thermoplastics and thermosets, carefully chosen for their performance and fit across various applications.
ABS
Known for its solid mechanical properties, ABS offers a strong balance of rigidity, strength, and impact resistance—making it a go-to choice for automotive parts, electronics, and consumer products.
Available Grades:
- ABS Beige (Natural)
- ABS Black
- ABS Black Antistatic
- ABS Milky White
- ABS+PC Black
- Flame Retardant ABS Beige
- Flame Retardant ABS Black
PC
PC is valued for its outstanding impact resistance and optical clarity, making it ideal for tough, transparent parts in automotive, safety equipment, and more.
Available Grades:
- Flame Retardant Transparent PC
- Food Grade Transparent PC
- PC Black
- PC Transparent
- PC White
- PC Yellowish White
- PC+GF30 Black
PMMA (Acrylic)
Renowned for its high clarity and optical precision, PMMA is a top choice for lenses, light covers, and display components.
Available Grades:
- PMMA Black
- PMMA Transparent
- PMMA White
POM
POM is valued for its precision, low friction, and strong wear resistance—making it ideal for gears, bushings, and other mechanical components.
Available Grades:
- Dark Brown (Coffee) POM 100AF
- POM Black
- POM Blue
- POM White
PA (Nylon)
Nylon is known for its strength, toughness, and abrasion resistance—making it a reliable choice for high-load gears, bearings, and structural parts.
Available Grades:
- PA (Nylon) Blue
- PA6 + GF15 Black
- PA6 + GF30 Black
- PA66 Beige (Natural)
- PA66 Black
PE
PE offers excellent impact strength and flexibility, making it a popular choice for containers, piping, and various packaging applications.
Available Grades:
- PE Black
- PE White
PEEK
PEEK delivers exceptional thermal stability and chemical resistance, making it ideal for demanding applications in aerospace, automotive, and medical devices.
Available Grades:
- PEEK Beige (Natural)
- PEEK Black
PP
PP offers strong chemical resistance and fatigue durability, making it a versatile choice for automotive components, consumer products, and textile applications.
Available Grades:
- Food Grade PP White
- PP Black
- PP White
- PP + GF30 Black
HDPE
HDPE is known for its excellent strength-to-weight ratio, making it ideal for plastic bottles, corrosion-resistant pipes, and geomembranes.
Available Grades:
- HDPE Black
- HDPE White
HIPS
Provides strong dimensional stability and excellent surface adhesion, making it perfect for retail product housings and components.
Available Grade:
HIPS Board White
LDPE
Known for its flexibility and resistance to low temperatures, LDPE is widely used in plastic bags and film sheets.
Available Grade:
LDPE White
PBT
PBT is valued for its rigidity, electrical insulation, and heat resistance, making it a great choice for electrical parts and housings.
Available Grades:
PBT Black
PBT Milky White (Natural)
PPA
PPA offers excellent heat resistance and mechanical durability, making it suitable for high-performance automotive and electronic components.
Available Grade:
PPA Beige
PET
Widely used in fibers for textiles and containers for food and liquids, PET is prized for its strength and clarity.
Available Grades:
PET Black
PET White
PET + GF30 Black
PET + GF30 White
PPS
Provides outstanding chemical and heat resistance, ideal for demanding automotive and industrial uses at elevated temperatures.
Available Grades:
PPS Black
PPS White
PPS + GF30 Black
PS
PS is lightweight and molds easily, making it a popular choice for disposable utensils, plastic models, and CD cases.
Available Grade:
PS Transparent
PVC
PVC is a versatile material with strong environmental and chemical resistance, commonly used in construction, piping, and medical equipment.
Available Grade:
PVC Grey
PTFE (Teflon)
PTFE is renowned for its non-stick surface and excellent heat resistance, making it ideal for cookware, seals, and electrical insulation.
Available Grades:
Teflon (PTFE) Black
Teflon (PTFE) White
UPE
UPE offers excellent abrasion resistance and impact strength, making it ideal for wear strips, liners, and other high-wear applications.
Available Grades:
UPE Black
UPE White
Insert Molding Capabilities
| Standards | Description |
|---|---|
| Maximum Part Size |
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| Manimum Part Size |
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| Substrate Wall Thickness |
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| Tolerance |
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| Inserts | Inserts can be either male or female, both enhancing the product’s function and overall appearance. |
| Mold Validation | Supply T0, T1, and T2 samples for validation prior to full-scale production. |
| Inspection and Certification Options | First Article Inspection, ISO 9001, ISO 13485 |
| Part to Part Repeatability | From mold fabrication to sample delivery: 15–45 business days. |
From Rapid Prototyping to Production
NEW PRODUCT DEV
BRIDGE PRODUCTION
PRODUCTION
How Koonze Injection Molding Process Work
01
Upload your design files for quick and streamlined design validation.
02
Get an instant quote along with Design for Manufacturability (DFM) feedback to optimize production efficiency.
03
Review your first prototype (T1) to confirm it meets your specifications before proceeding with mass production.
04
Upon approval, we proceed with large-scale production, maintaining consistent quality and quick turnaround.
05
Get your high-quality parts delivered on schedule, straight to your preferred location.
Get your custom quote today and scale up quickly.
Other Types of Injection Molding at Koonze Model
In addition to overmolding, Koonze Model offers a range of injection molding solutions tailored to different production needs. From insert molding to high-volume multi-cavity runs, we help bring complex designs to life with speed and precision.
Ready for Full Injection Molding Support?
From prototyping to high-volume production, our injection molding services are built for speed, precision, and flexibility. See how we can help bring your parts to life.
Optimize Your Insert Molding Design
Not sure if your part is ready for insert molding? Our engineers will review it and suggest improvements.
FAQs About Inserting Molding Services
Insert Molding Resources
