
Instant Quoting
Rapid Prototyping
High-Volume Production
Instant Quotes for Custom Gear Machining
JS Precision offers rapid and accurate quotes tailored to your specific gear machining needs. With over 80 material options and more than 50 surface finishes, our quoting system ensures you get a competitive, custom quote in minutes.
80+ Materials Available: Choose from a range of materials such as steel, brass, aluminum, cast iron, and POM to achieve optimal performance.
50+ Surface Treatments: We offer plating, hardening, grinding, and other surface options to enhance durability and gear performance.
Tight Tolerances: Achieve precision down to ±0.01mm, ensuring gears fit perfectly and perform reliably.
ITAR Registered
ISO 9001:2015,ISO 13485:2016,AS9100D and lATF 16949:2016 Certified



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Trusted by Engineers and Purchasing Leaders at the World’s Most Successful Companies
Online Custom Gear Machining/ Manufacturing Services
JS Precision provides professional gear machining and manufacturing services, including spur gears, helical gears, bevel gears, worm gears, and other precision gear types. Utilizing advanced CNC hobbing, shaping, grinding, and inspection equipment, we ensure smooth transmission, low noise, and long service life, suitable for automotive, robotics, and industrial transmission applications.
Instant Quote & Process Analysis: Submit gear parameters for rapid machining solutions and accurate quotes, supporting module 0.5-10, accuracy grades ISO 5-9
Full-Range Gear Machining Capability: Processes include hobbing, shaping, shaving, and grinding for gears with diameters of 10-500mm in metals and engineering plastics
Dedicated Gear Engineering Support: Offer tooth profile optimization, heat treatment advice (carburizing, quenching), and NVH analysis to ensure performance and durability
Competitive Pricing: Process optimization and batch production provide cost-effective solutions for small to medium volume gear manufacturing

Gear Machining Service
Gear Machining Product Showcase
Explore our precision gear machining solutions tailored to meet your specific needs. From intricate designs to high-quality finishes, our gears are engineered for reliability and superior performance across diverse industries.
Gear Machining Tolerances
Our gear machining services provide high-precision manufacturing, achieving tight tolerances up to ±0.01mm. Leveraging advanced CNC technology, we ensure smooth operation and durability across diverse industrial applications.
Precision Level
USA AGMA
Japan JIS
Germany DIN
1
-
-
DIN 1
2
-
-
DIN 2
3
-
-
DIN 3
4
-
-
DIN 4
5
-
JIS 0
DIN 5
6
-
JIS 1
DIN 6
7
AGMA 16
JIS 2
DIN 7
8
AGMA 15
JIS 3
DIN 8
9
AGMA 14
JIS 4
DIN 19
10
AGMA 13
JIS 5
DIN 10
11
AGMA 12
JIS 6
DIN 11
12
AGMA 11
JIS 7
DIN 12
13
AGMA 10
JIS 8
-
14
AGMA 9
-
-
15
AGMA 8
-
-
16
AGMA 7
-
-
Precision Level Range
Standard
USA AGMA
AGMA 8 to AGMA 13 (High Precision)
Japan JIS
JIS 2 to JIS 6 (High Precision)
Germany DIN
DIN 5 to DIN 9 (High Precision)
Gear Machining Material Selection
Selecting the right material for gear machining is critical to achieving high performance, durability, and cost-effectiveness. At JS Precision, we provide a diverse range of materials tailored to meet your specific application and performance criteria. Whether you're working with metals such as steel and aluminum or exploring engineered plastics and composites, we ensure your gears are crafted from the ideal material to meet your precise needs.
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
Gear Machining Surface Finishing
At JS Precision, we understand that the right surface finish can make all the difference in gear performance. Our surface finishing services, including anodizing, powder coating, sandblasting, and polishing, are designed to provide both functional and aesthetic improvements to your gears. Whether your priority is corrosion resistance, wear protection, or simply a better-looking surface, we customize the finish to suit your gear’s application and requirements.
Gear Machining Advantages & Features
At JS Precision, we take pride in our ability to deliver gears with unparalleled precision. Thanks to our cutting-edge CNC technology and expert craftsmanship, we maintain tolerances as tight as ±0.005mm, ensuring your gears operate flawlessly.

Quick Turnaround for Your Project Needs
Time is crucial in any project. With our streamlined processes, we can produce gears quickly—typically within 1-5 days. Whether you need a prototype or a full production run, we meet your deadlines without compromising on quality.

Custom Material Options for Every Requirement
We understand that the right material is key to gear performance. That’s why we offer over 100 different material options, including metals, plastics, and composites, tailored to your specific needs for durability, strength, and functionality.

Surface Finishes That Enhance Durability
Beyond manufacturing, we offer a range of custom surface treatments such as carburizing, anodizing, and nitriding. These treatments not only boost your gear’s appearance but also enhance its wear resistance, corrosion protection, and overall longevity.

Scalable Solutions for Small to Large Orders
From prototyping to mass production, JS Precision handles it all. Whether you're producing a single gear or 50,000, we ensure consistent quality and efficiency across all orders, no matter the size.

Rigorous Quality Control at Every Stage
Quality is our top priority. With in-process inspections and final checks using precision measurement tools, we guarantee that every gear meets the highest standards. Our ISO 9001 certification further demonstrates our commitment to excellence.

Comprehensive Quality Assurance
We implement a strict quality assurance process that includes in-process inspections and final checks using precision measurement equipment like CMMs and gear measuring machines. Our ISO 9001,ISO 14001,IATF 16949 and AS9100D Certification underscores our commitment to delivering gears that meet the highest standards.

Gear Machining Case Studies
Our gear-machining parts have been successfully used in various industries. Here are some examples that demonstrate our capability to deliver high-quality, precise components tailored to specific industry needs:
Gear Machining Quality Control
At JS Precision, quality is central to everything we do, especially when it comes to gear machining. We’ve built a reputation for precision, ensuring that every gear we produce meets the most stringent standards. Our quality control system integrates advanced technology to guarantee consistent performance, reliability, and strength in every gear.
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
To maintain tight tolerances, we rely on top-tier precision measurement tools, such as gear measurement machines and CMMs. These instruments guarantee that each gear’s dimensions, tolerances, and surface finishes align perfectly with your project needs.
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 you might have questions about our gear machining services. To make things easier, we’ve compiled answers to some of the most common queries. This will give you a better understanding of our capabilities and processes. If you need more information or have specific inquiries, our team is always available and happy to assist you.
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.
Gear Machining Latest News
Stay informed with the latest updates and announcements from JS Precision. Learn about our most recent projects.


































