Plastic injection molding for Bellevue, Washington

Receive top-tier engineering services from a seasoned manufacturer with a track record of professionalism and excellence.

Custom Parts, On Demand Manufacturing

Plastic injection molding for Bellevue, Washington

Explore our premier Plastic injection molding services in Bellevue, Washington

specializing in plastic prototypes and production parts.

Welcome to CapableMachining, your go-to destination for top-quality plastic injection molding services. With years of experience and a strong reputation for excellence, we offer a wide range of solutions to meet your specific needs. Our state-of-the-art facility and team of skilled professionals are dedicated to delivering precision, efficiency, and affordability in every project we undertake.

Whether you’re in need of prototyping, production, or custom molding, we have the expertise and resources to bring your ideas to life. Trust CapableMachining for all your plastic injection molding needs and experience the difference that our commitment to quality and customer satisfaction can make. Contact us today to learn more about how we can help you achieve your goals.

Why Choose Us?

Our ability to provide on-demand manufacturing services means not only having strong manufacturing capabilities but also services that can produce complex end-use parts quickly, efficiently, and intelligently.

Our services

3 Axis CNC Milling

Injection molding stands as the predominant approach for mass-producing plastic goods. This method involves melting plastic, injecting it into molds, ejecting the finalized product, and then repeating the cycle.

4 Axis CNC Milling

Insert molding proves to be a highly practical injection molding technique that enhances the strength or other properties of the final part by integrating additional materials.

5 Axis CNC Milling

Overmolding is a process where various materials are layered to create a composite article. Typically, this method entails injecting a base material over one or more pre-existing parts to integrate them into a unified whole.


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Heavily depending on the plastic type and the size of the part, typically +/- 0.15mm or +/-0.006 inch

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Mold Life Cycle

Typically 300,000, and 600,000 if required.

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Leading Time

Typically: tooling 30 days, injection molding 3 days

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Injection Material

Most of the thermal plastic, ABS, HDPE, PE, PC, PMMA, PA6, PA66, POM, PBT, PET, PVC TPU, TPE, Silicone Rubber… Learn More >


Preferring the right material is important, not only for factors such as cost, processing complexity, and potential surface treatments but also for the ultimate quality of the product. Our capable engineering team specializes in proactively addressing this challenge, even before an order is placed. This process seals that our customers have the resolute faith in the final quality of their products.

Rigid Materials

Rigid plastic materials are defined as materials that reveal fundamentally no elastic deformation and no complete plastic deformation. Wesustain continual collaboration quality suppliers, which enables us to provide quality assurance to our customers as well as to fulfill various specific requirementsof our customers.


Elastic Materials

High-quality materials are the base of quality and fundamental element of the finished goods cost. We team up with leading material suppliers and can provide you with instant quotes on varied range of quality plastics, as well as several material choice options.


Our Quality Control

CapableMachining boasts a fixed quality assurance framework and a team of expert technical engineers who diligently oversee every aspect of our product manufacturing process – from procuring top-notch unprocessed materials to delivering impeccable finished goods that encompass metals and plastics. To sustain our dedication to superiority, we extensively utilize state-of-the-art testing technology and cutting-edge equipment to meticulously evaluate crucial parameters such as workpiece dimensions, hardness, tensile strength, and elongation at every stage of production. We aim for maintain utmost control over these data points to meet and surpass the expectations of our esteemed clientele consistently.

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Professional quality control Engineer

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Tolerances up to ±0.0004″ (0.01mm)

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State-of-the-art Inspection Facilities

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Proven and reliable quality control system.

Gallery of Parts

plastic charging plug parts

Charging Plug

Material: ABS

plastic parts

Material: PEEK

plastic parts

Material: PA66

plastic  parts

Material: ABS

plastic  parts

Material: PPA + 30 Carbon Fiber

Medical plastic products

Material: PE

Other capabilities

plastic injection molding
  • Free & Automatic DFM feedback
  • Tolerances: typically +/- 0.15mm or +/-0.006 inch
  • Tooling: 30 days
sheet metal fabrication
  • Free advices from high trained engineers.
  • Quotation in a few hours.leading time 3 days
  • Fast delivery time
high pressure die casting
  • Tolerances: typically +/- 0.15mm or +/-0.006 inch
  • Free consultant ,Free DFM feedback
  • Casting lead time: 5~7 days
3d printing
  • Wide range of material choices
  • Free consultant from engineers
  • Fastest leading time: 1 day
rapid tooling
  • Free & Automatic DFM feedback
  • Tolerances up to ±0.00078″ (0.02mm)
  • Rapid tooling: 7~12 days

How do find our location?

Plastic injection molding for Bellevue, Washington


Plastic Injection Molding in Bellevue: 10 Q&A Pairs

Plastic injection molding is a widely used manufacturing process in Bellevue and beyond. Whether you are new to the industry or a seasoned professional, it is essential to stay informed about the latest trends and technologies. Here, we provide answers to 10 common questions about plastic injection molding.

Q: What is plastic injection molding?

A: Plastic injection molding is a manufacturing process in which molten plastic is injected into a mold to produce a wide range of plastic parts and products.

Q: How does plastic injection molding work?

A: The process involves the injection of molten plastic into a mold cavity, where it cools and solidifies to take the shape of the mold.

Q: What are the benefits of plastic injection molding?

A: Plastic injection molding offers cost-effective production, high efficiency, and the ability to create complex shapes and designs.

Q: What materials can be used in plastic injection molding?

A: A variety of plastics can be used in injection molding, including thermoplastics, thermosets, and elastomers.

Q: What industries utilize plastic injection molding?

A: Plastic injection molding is widely used in industries such as automotive, aerospace, medical, and consumer goods.

Q: What factors should be considered when choosing a plastic injection molding company?

A: Consider factors such as experience, capabilities, quality standards, and customer reviews when selecting a plastic injection molding company.

Q: How can quality control be maintained in plastic injection molding?

A: Quality control in plastic injection molding can be maintained through regular inspections, testing, and adherence to strict manufacturing standards.

Q: What is the future of plastic injection molding?

A: The future of plastic injection molding lies in advancements in technology, materials, and sustainability practices.

Q: What are some common challenges in plastic injection molding?

A: Common challenges in plastic injection molding include warping, sink marks, flash, and material inconsistencies.

Q: How can companies stay competitive in the plastic injection molding industry?

A: Companies can stay competitive by investing in technology, training their workforce, staying informed about industry trends, and providing excellent customer service.


Plastic injection molding is a vital part of the manufacturing industry in Bellevue and offers numerous benefits for businesses across various sectors. By staying informed about the latest trends and technologies in plastic injection molding, companies can stay ahead of the curve and maintain a competitive edge in the market.


  1. From that time onward, CapableMachining has routinely given us with excellent parts. The team lend an ear to customers and react with expert technical knowledge in plastic material, component design, and process options.

  2. we have been liaising with them for years. Excited to recommend CapableMachining to anyone in need of top-of-the-line molded products.

  3. From that point on, CapableMachining has recurrently delivered us with superb molded parts. I am satisfied to endorse CapableMachining to those in need of excellent molded products.

  4. we have been teaming up with CapableMachining for years. They give ear to customers and react with superior technical competency in materials, part design, and process options.

  5. They has been a terrific and strategic cooperator for us right from the beginning. They listen to customers and answer with advanced technical competence in components, part structure, and procedure alternatives. This has been and will consistently contribute to our success.

  6. The staff members at CapableMachining has bolstered us in shaping our thoughts into end products for several years now. The team attend to customers and reply with advanced technical skill in plastic material, component design, and process options.

  7. The personnel at CapableMachining has supported us in molding our ideas into finished elements for several years now. Thrilled to endorse CapableMachining for those in pursuit of top-tier molded products.

  8. CapableMachining has continuously evidenced itself as a leading supplier of injection molded component for our company. We’ve secured a good support team to create injection mold for us, correct and tailor existing molds to accommodate our requirements, and deliver goods that consistently meet or exceed our precise specifications.

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