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Enstark Injection Molding

Injection Mold Tooling Services

Custom prototype aluminum and hardened production steel tooling (P20, H13, NAK80). T1 samples delivered in as fast as two weeks, with cavity tolerances held to ±0.02mm.

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SPI Class 101 to 105 Tooling
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ISO 9001:2015 Certified
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1,000,000+ Shot Guarantee
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Upload your part or mold CAD file for tooling pricing.

Drag & drop CAD files hereSTP, STEP, STL, IGS, PDF, ZIP — up to 50MB
No commitment required · DFM feedback included
Huawei Technologies
Samsung Electronics
Tata Motors
Delta Electronics
Lens Technology
Eveready Industries
Beijing Institute of Technology
Ansell LTD
NRTC
Chantelle
PT Wings Surya
PT Sun Paper Source
PT Supreme Paper Solution
Huawei Technologies
Samsung Electronics
Tata Motors
Delta Electronics
Lens Technology
Eveready Industries
Beijing Institute of Technology
Ansell LTD
NRTC
Chantelle
PT Wings Surya
PT Sun Paper Source
PT Supreme Paper Solution

Mold Tooling Material Options

The mold material you choose determines tool life, cycle time, and upfront tooling cost. We help you match the right steel or aluminum grade to your production volume rather than defaulting to the most expensive option.

Explore Tooling Materials
7075 Aluminum Tooling

7075 Aluminum Tooling

7075 aluminum tooling for volumes up to 10,000 shots, machined and delivered in as little as 1 to 5 days.
The lowest cost entry point for validating a design before committing to hardened steel.

SPI Mold Finish Standards and Post Processing

Surface treatment options adhering to SPI standards to meet functional and cosmetic requirements.

SPI Mold Finishes

SPI Mold Finishes

SPI GradesA-1 (Ra 0.012 to 0.025µm, mirror diamond buff) to D-3 (heavy stone/bead blast)
ApplicationApplied directly to the mold cavity surface
Custom Textures

Custom Textures

Grains & VDIMold tech textures and standard VDI grain patterns
BenefitsApplied for grip surfaces, cosmetic housings, or to hide minor sink & flow marks
Secondary Finishing Services

Secondary Finishing Services

DecorationsPost molding painting, pad printing, and laser engraving
Single VendorApplied to parts produced from your tool, so cosmetic finishing doesn't require a separate vendor

Injection Mold Tooling for
Various Industries

From automotive to medical device housings, Enstark molds parts to the tolerance and material spec each industry actually requires.

Injection Mold Tooling Quality Control

Quality gets built in at every stage, not inspected for at the end. Cross functional QIP teams review each tooling and production plan before steel is cut.

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Mold and Pre Production InspectionMold flow simulation and DFM review verify wall thickness, draft angle, and gate location before machining starts. Engineers align mold design and material to your part's dimensional and cosmetic requirements.
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In Process Quality ControlInjection speed, pressure, and cooling parameters are monitored and adjusted mid run, with dimensional checks against the approved T1 sample at set intervals.
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Final InspectionEvery batch is checked against a full dimensional report before shipment, with SPI finish, cavity to cavity consistency, and packaging verified prior to release.
Injection Molding Quality Control 1
Injection Molding Quality Control 2
Injection Molding Quality Control 3
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Custom Injection Mold Tooling Built for Your Production Volume

Enstark builds prototype aluminum tooling through hardened, multi cavity production molds under one roof, with no outside toolmaker in the chain.

From SPI Class 105 prototype tools to SPI Class 101 high cavitation production molds, our engineers select tooling material, cooling layout, and cavity count based on your part geometry and required shot count, not a one size fits all default.

How Enstark's Injection Mold Tooling Process Works

From online CAD evaluation to T1 sampling and full production release, experience precision engineering at every stage.

Upload CAD File

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Start by uploading your preferred manufacturing process, part geometry, and target production volume.

Upload CAD File

Get a Quote

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Select material, surface finish, and cavity count. Receive an online tooling quote and mold flow feedback in as fast as one day.

Get a Quote

Review T1 Sample

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We produce a T1 sample from your approved tool. Check every detail against your specification before we release it to full production.

Review T1 Sample

Production Begins

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After approving the sample, we begin full scale production, holding the same dimensional accuracy and quality standards validated at T1.

Production Begins

Delivery

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We ship your custom injection molded parts from our China tooling facility to your location, tracked door to door.

Delivery

Ready to Start

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Your injection molding project with Enstark. Experience engineering like never before.

Ready to Start

Injection Molding Manufacturing Network

ENSTARK injection molding network combines 50 advanced machines capable of 90 to 830 tons with experienced project managers to handle projects of any size or complexity. We produce plastic molded prototypes and production parts with global shipping from China’s injection molding supplier.
50+Machines Set
120+Countries & Regions Served
20k+Customers Worldwide
Global Injection Molding Manufacturing Network Map

Injection Mold Tooling Capabilities

Our injection mold tooling services cover every stage, from design to delivery. We produce prototype and large scale parts with tight tolerances.
Image (Digital caliper measuring a precision machined part)
Scroll horizontally to view specs
StandardsDescription
Maximum Part Size1200 x 900 x 600mm
Minimum Part Size3 x 3mm
Part to Part Repeatability±0.02mm
Mold CavitiesSingle cavity, multi cavity, family mold
Available Mold TypesSteel and aluminum (P20 / H13 / NAK80), SPI Class 101 to 105
Mold Cavity Tolerance+/- 0.02mm
Secondary OperationsTexturing, pad printing, laser engraving, inserts
UndercutsY type, L type
Wall Thickness0.5mm to 5mm
Draft0.5° to 2°
Ribs / Gussets0.5mm to 3mm thick
BossesDiameter 3mm to 10mm
Lead Time15 days (aluminum), 2 to 4 weeks (hardened steel)

Applications of Injection Mold Tooling

ENSTARK’s injection molding infrastructure supports high-precision component production across automotive, medical devices, consumer electronics, and industrial equipment.

Start Your Project
Applications of Injection Mold Tooling
Advantages of Injection Molding Tooling
• High RepeatabilityOnce qualified, a production tool holds cavity to cavity tolerance across a run of a million shots or more.
• Low Per Part Cost at VolumeTooling cost is amortized across the run, making per unit cost drop sharply past 10,000 units.
• Material VersatilityFrom commodity ABS to glass filled engineering resins, in the same base tool with insert changes.
• Complex Geometry in One ShotRibs, bosses, and snap features mold in a single cycle without secondary assembly.
Disadvantages of Injection Molding Tooling
• High Upfront Tooling CostA hardened steel production tool represents a real capital investment before the first part ships.
• Design Lock InChanging a molded feature after steel is cut means machining the mold again, not editing a CAD file.
• Longer Lead Time Than 3D Printing or CNCTool build time, even for aluminum, is measured in days to weeks, not hours.
• Not Cost Effective at Low VolumeBelow a few hundred units, tooling cost per part rarely beats CNC or 3D printed alternatives.

Frequently Asked Questions

Injection Molding Blueprint & CAD Review
What is the difference between SPI mold classes?

SPI Class 101 tools are built from hardened steel for over 1,000,000 production cycles. Class 102 through 104 step down in expected cycle life and material hardness for medium and lower volume runs. Class 105 is a prototype grade tool, rated for fewer than 500 cycles, typically used to validate a design before committing to production steel.

What tooling material should I choose for my production volume?
How long does it take to build an injection mold?
What is a T1 sample, and why does it matter?
What surface finish options are available on the mold?
Do you offer material certificates or inspection reports for tooling projects?
What happens to my mold after production ends?