
Instant Quoting
Rapid Prototyping
High-Volume Production
Instant Quoting for Your Plastic Injection Mold Needs
JS Precision offers quick and accurate quotes for your plastic injection mold projects. With a wide selection of mold materials, surface treatments, and high-precision mold-making capabilities, our instant quoting system ensures a tailored and competitive quote to meet your tooling needs.
Multiple Mold Materials: Choose from high-quality mold steels like P20, H13, and 718, or aluminum, to meet specific durability and molding requirements.
20+ Mold Surface Treatments: From texturing, polishing, to nitriding, we offer a variety of surface treatments with lead times averaging 3-7 days to enhance mold performance and lifespan.
High Precision Up to ±0.005mm: Achieve extremely tight tolerances in mold making to ensure accurate and repeatable part production.
ITAR Registered
ISO 9001:2015,ISO 13485:2016,AS9100D and lATF 16949:2016 Certified



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Custom Plastic Injection Molds Services
JS Precision provides professional custom plastic injection mold design and manufacturing services, offering complete solutions from prototype molds to mass production molds. With precision mold machining equipment and strict quality control systems, we ensure excellent molding stability, long life cycle and consistent part quality for every mold.
Rapid Quoting & Solution Evaluation: Receive mold design analysis, manufacturing timeline and accurate quotes by submitting 3D product data
High-Precision Mold Manufacturing: Expert in precision cavity molds, multi-cavity molds and hot runner system molds with life expectancy of 1-3 million cycles
Comprehensive Mold Engineering Support: Provide full technical support including DFM analysis, mold flow analysis and cooling system optimization
Integrated Cost Optimization: Deliver the most cost-effective mold solutions through rational mold structure design and manufacturing process optimization

Plastic Injection Molds Service
Plastic Injection Molds Product Showcase
Discover our Plastic Injection Molds, offering precise, high-quality components with fast production cycles. Ideal for industries like automotive, consumer products, and electronics.
Plastic Injection Molds Tolerances
JS Precision offers plastic injection mold services with tolerances from ±0.01 mm to ±0.05 mm, ensuring high-quality, durable molds for a variety of applications. Our molds meet industry standards for both precision and long-lasting performance.
Feature
Description
Maximum Part Size
Milled parts up to 80” x 48” x 24” (2,032 x 1,219 x 610 mm). Lathe parts up to 62” (1,575 mm) length and 32” (813 mm) diameter.
Standard Lead Time
3 Business days
General Tolerances
Tolerances on metals will be held to +/- 0.005" (+/- 0.127 mm) in accordance with ISO 2768 unless otherwise specified. Plastics and composites will be +/- 0.010”.
Precision Tolerances
JS Precision can manufacture and inspect to tight tolerances, including sub +/- 0.001" tolerances, per your drawing specifications and GD&T callouts.
Minimum Feature Size
0.020” (0.50 mm). This may vary depending on part geometry and chosen material.
Threads and Tapped Holes
JS Precision can accommodate any standard thread size. We can also machine custom threads; these will require a manual quote review.
Plastic Injection Molds Material Selection
At JS Precision, we provide a broad selection of high-performance plastics for injection molding. Carefully chosen for their strength, durability, and precision, our materials cater to specific needs like heat resistance, chemical stability, and flexibility—ensuring your products perform under diverse conditions.
Metals
- Titanium
- Steel
- Stainless Steel
- Zinc Alloy
- Chromium-Nickel Alloy
- Brass
- Copper
- Aluminum
- Bronze
- Cold Rolled Steel
- Nickel
- Silver-Tin Oxide
- Cast Iron

Titanium is known for high strength, low weight, and corrosion resistance. We process grades like Ti-6Al-4V, Ti-5Al-2.5Sn, Ti-6Al-4V ELI, and Ti-Grade 2, which are widely used in aerospace, medical implants, and sports equipment.
Plastics
- Polycarbonate (PC)
- Polyoxymethylene (POM)
- Polyphthalamide (PPA)
- Polyphenylene Sulfide (PPS)
- Teflon (PTFE)
- Polyvinyl Chloride (PVC)
- Ultra High Molecular Weight Polyethylene (UPE)
- Polyether Ether Ketone (PEEK)
- Nylon (PA)
- Glass-Filled Nylon

Polycarbonate is a transparent, highly durable plastic known for its superior impact resistance. We offer different grades suitable for eyewear lenses, medical devices, and protective equipment.
We offer customization based on your specific material requirements, if you need a material not listed here, our team can source and process ito meet your exact needs
Plastic Injection Molds Surface Finishing
Improve the lifespan and performance of your plastic injection molds with our specialized surface finishing services. From polishing and texturing to coatings, we provide solutions that reduce wear, enhance mold precision, and ensure high-quality molded parts.
Plastic Injection Molds Advantages & Features
At JS Precision, we blend advanced technology with a deep understanding of the industry to provide high-quality plastic injection mold solutions tailored to your specific needs. Here’s why we stand out as your preferred partner:

High Precision & Durability
We utilize state-of-the-art machines and advanced tooling techniques to achieve exceptional precision, with tolerances as tight as ±0.02mm. Our molds are engineered for long-term durability, ensuring that your parts are consistently high-quality throughout extensive production runs.

Fast Lead Times
We prioritize efficiency without compromising quality. Our streamlined mold-making process allows us to provide molds within 1-2 weeks, and we offer expedited services to meet urgent deadlines, ensuring your production schedule remains on track.

Wide Material Selection
With access to over 100 materials, including thermoplastics like ABS, PP, Nylon, and engineering plastics, we can select the ideal material for your specific application. Whether you're working on consumer products or high-performance components, we have the material solutions to meet your needs.

Custom Mold Designs & Finishes
We specialize in custom mold designs to accommodate complex geometries and functional requirements. Our wide range of surface finishes, such as polishing, texturing, and coating, ensures that your molds not only perform well but also have the desired aesthetic qualities for your final product.

Scalable Production
Whether you need a single prototype or full-scale mass production, JS Precision has the flexibility to handle projects of any size. We can efficiently manage orders from as few as one mold to as many as one million, ensuring scalability throughout the lifecycle of your product.

Strict Quality Control
As an ISO 9001 certified company, we implement rigorous quality control measures at every stage of the mold-making process. From material verification to dimensional inspections and comprehensive production trials, we ensure that your molds meet the highest industry standards for performance and longevity.

Plastic Injection Molds Case Studies
JS Precision excels in producing high-precision plastic injection molds that cater to the needs of various industries. Below are some examples of how our molds have been successfully applied to meet industry-specific requirements:
Plastic Injection Molds Quality Control
At JS Precision, we focus on delivering high-quality plastic injection molds that meet the highest standards for precision, durability, and reliability. With our robust quality control process, each mold we produce is carefully checked to ensure consistent results and superior performance.
In-Process Inspections
Before any part leaves our facility, it undergoes a thorough final inspection. We use advanced measurement tools to verify that every component meets required specifications and precision standards, ensuring the highest level of quality before delivery.
Final Inspections
Before any part leaves our facility, it undergoes a thorough final inspection to verify its quality and precision. We use advanced measurement tools and techniques to ensure that each part meets the required specifications and standards.
Precision Measurement Tools
We rely on state-of-the-art precision tools such as CMMs, optical comparators, and hardness testers to ensure that our molds adhere to strict dimensional and material specifications. These tools maintain tight tolerances and ensure optimal performance during mass production.
Certified Quality Standards (ISO 9001, ISO 14001, IATF 16949, AS9100D)
Our commitment to quality is backed by ISO 9001 certification, which ensures our quality management system is consistently effective and continually improving. We also adhere to ISO 14001, IATF 16949, and AS9100D standards, ensuring we meet the needs of various industries while maintaining environmental sustainability and operational excellence.
Continuous Improvement
We believe in continuous improvement and regularly review our processes and practices to identify areas for enhancement. By investing in the latest technologies and training for our staff, we strive to maintain our reputation for quality and innovation.

Contact Us for More Information
Should you have any additional questions or require more details, feel free to reach out to us. Our dedicated team is ready to assist you with all your precision manufacturing requirements.
We know that making informed decisions about injection molding services can be complex. Here are some of the most common inquiries from our clients to help you get a clearer picture of our process and capabilities. If you have more questions or need tailored assistance, feel free to reach out to our team anytime.
What Our Clients Say About Us
A customer's words mean more than ours see what our satisfied customers have saidabout how we fulfilled their requirements.
Plastic Injection Molds Latest News
Stay informed with the latest updates and announcements from JS Precision. Learn about our most recent projects.





































