Precision CNC Machining Services | Custom Metal Parts
At DureX Inc., located in Union, New Jersey, we specialize in CNC machining services that bring precision, reliability, and speed to your manufacturing projects.
CNC machining, short for computer numerical control machining, is a subtractive manufacturing process that uses advanced equipment to transform raw material into custom parts with exact specifications.
From aerospace components requiring tight tolerances, to medical devices demanding exceptional dimensional stability, our team delivers high-quality results you can trust.
With over 70 years of experience serving industries across the Tri-State area, we combine local manufacturing expertise with state-of-the-art technology to keep your project on time and on budget.
Our CNC Machining Services for Machined Parts
At DureX, we manufacture a wide range of CNC machined parts from one-off prototypes to full production runs, utilizing a wide array of different materials to meet diverse project requirements. Our team works with a variety of metals and plastics, including:
Stainless steel for corrosion resistance and strength
Mild steel for cost-effective durability
Aluminum for lightweight, high-precision parts
Engineering plastics like PVC (Polyvinyl Chloride), known for its chemical resistance and good electrical properties, and epoxy resin for specialized applications
We work with both metal alloys and plastic parts, and can produce CNC parts with high stiffness, low density, and good electrical properties to suit your specific needs.
Whether your project calls for good mechanical properties, tensile strength, electrical properties, electrical insulation, or excellent wear resistance, we deliver parts built to perform in even the most demanding environments.
Our CNC machined parts are used across industries such as medical devices, automotive components, consumer electronics, and aerospace assemblies, and are ideal for applications requiring high stiffness, low density, and good electrical properties. Every part we produce meets strict quality standards, ensuring your final product is both accurate and reliable.
Introduction to CNC Machining
CNC machining is a highly precise subtractive manufacturing process that uses computer numerical control (CNC) to automate the movement of machinery and cutting tools. By following programmed instructions, CNC machines can create custom parts with exceptional accuracy and repeatability.
This advanced manufacturing process is ideal for producing components with tight tolerances and complex geometries, making it a preferred choice across industries such as aerospace, automotive, and medical devices.
During the CNC machining process, a cutting tool systematically removes material from a solid workpiece—such as metal or plastic—until the final design is achieved.
This method allows for the efficient production of both prototypes and high-volume custom parts, all while maintaining strict quality standards. The versatility and precision of CNC machining make it an essential solution for modern manufacturing needs.
CNC Machining Capabilities & Processes
Our CNC machining capabilities are designed to handle projects of every size and complexity. At our Union, NJ facility, we combine cutting-edge machinery with decades of operator expertise to deliver exceptional results. CNC machining is a subtractive process focused on removing material from a workpiece to achieve precise geometries.
Core Processes:
CNC Milling – Ideal for producing intricate shapes and components with excellent dimensional stability.
CNC Turning – Best for cylindrical parts requiring tight tolerances and smooth surface finishes.
Drilling & Tapping – Precision hole-making for assemblies and production parts.
Grinding & Finishing – Achieving fine tolerances and superior surface quality.
Capabilities at a Glance:
Ability to machine a wide range of metal alloys, plastics, and composites
Handling parts with both small maximum dimensions and larger bulk material stock
Achieving tight tolerances while maintaining speed and cost efficiency
Scalable for one-off prototypes as well as high-volume production parts
By investing in advanced CNC equipment, including multi-axis machining centers, we’re able to produce consistent, high-quality results while reducing waste and lead times. This ensures your project stays competitive in today’s demanding manufacturing environment.
Design & Manufacturing Requirements
When preparing a part for CNC machining, it’s important to consider both the capabilities of the CNC machine and the specific requirements of your application. The manufacturing process begins with a detailed CAD file, which serves as the blueprint for your part. This file should account for critical factors such as material selection, corrosion resistance, chemical resistance, and the desired surface finish.
Choosing the right material is essential, as it impacts not only the part’s performance but also the machining process itself. For example, selecting a metal with high corrosion resistance or a plastic with excellent chemical resistance can ensure your part performs reliably in its intended environment. Additionally, specifying the correct surface finish and tolerances in your CAD file helps guarantee that the final product meets your exact needs.
Custom CNC Fabrication & Prototyping
Every project comes with unique challenges, and at DureX Inc., we provide the custom CNC fabrication and rapid prototyping services needed to bring your concepts to life. We can deliver CNC machined prototypes with tight tolerances for product development and testing, ensuring high quality and precision.
Located in Union, NJ, our team collaborates directly with your engineers to transform CAD files and technical drawings into functional, precision parts. During the online quoting process, customers can select materials using a material drop down, or specify a custom material if their desired option is not listed.
Prototyping & Custom Solutions:
One-off prototypes for design validation and testing
Custom parts built to exact specifications for specialized applications
Rapid prototyping with short lead times to keep your project moving forward
Transition from prototype → scalable production runs without delays
By combining advanced equipment with our engineering expertise, we ensure your prototypes meet the required mechanical properties, dimensional stability, and performance standards. Our process also allows for design adjustments along the way, helping you save on time and costs before committing to full production.
With DureX, you gain more than just a machining partner — you gain a local New Jersey manufacturing team dedicated to precision, flexibility, and customer satisfaction.
Finishing & Secondary Services
At DureX Inc., our work doesn’t stop once the part comes off the machine. We provide a full range of finishing and secondary services to ensure your CNC machined parts meet both functional requirements and aesthetic standards. These finishes can make parts more corrosion resistant and provide outstanding resistance to harsh environments.
Finishing Options Include:
Powder Coating – Durable, attractive finishes with superior corrosion resistance.
Anodizing – Enhanced wear resistance and improved surface hardness for aluminum parts.
Chromate Conversion Coating – Excellent for corrosion resistance and electrical conductivity.
Heat Treatment – Improves strength, hardness, and toughness of metal parts.
Polishing & Surface Treatments – For smooth finishes and reduced friction.
These finishing services provide additional benefits such as chemical resistance, electrical insulation, and long-term durability — ensuring your parts perform in harsh environments, from medical industries to aerospace applications.
By offering both machining and finishing under one roof at our Union, NJ facility, we streamline your production process, saving you time and eliminating the need for multiple vendors.
Chromate Conversion Coating
For CNC machined parts that require enhanced durability and protection, chromate conversion coating is an excellent finishing option. This process involves applying a specialized chemical solution to the surface of machined parts, resulting in a protective layer that significantly improves corrosion resistance—even in extreme temperatures.
In addition to safeguarding against environmental stress, chromate conversion coating can enhance the electrical conductivity of metal components. By choosing this finish, you ensure your CNC machined parts are well-equipped to perform reliably in challenging conditions, meeting both industry standards and your specific application requirements.
Why Choose DureX?
Choosing the right CNC machining partner can mean the difference between costly delays and seamless production. At DureX Inc., based in Union, New Jersey, we’ve built our reputation on precision, reliability, and customer commitment. Our CNC machining advantages include outstanding accuracy, repeatability, and efficiency, ensuring high-quality results for every project.
The DureX Advantage:
Experience You Can Trust – Over 70 years of manufacturing expertise serving industries across the Tri-State area.
State-of-the-Art Equipment – Advanced CNC milling, turning, and multi-axis machining centers to deliver consistent, high-quality parts.
Local Manufacturing Benefits – Avoid the pitfalls of overseas production like miscommunication, shipping delays, and hidden costs.
Proven Quality Assurance – ISO-certified standards, in-house testing for dimensional accuracy, strength, and surface finishes.
On-Time Delivery & Competitive Pricing – Flexible scheduling and fair CNC machining service costs to keep your project within budget.
Our customers rely on DureX not just for parts, but for partnership. From rapid prototyping to full-scale production, we work alongside your team to develop efficient, cost-effective solutions that help you stay competitive.
When you work with DureX, you’re not outsourcing to a faceless factory overseas, you’re partnering with a local New Jersey manufacturer dedicated to your success.
Industries We Serve
Our CNC machining services support a wide range of industries, each with unique requirements for precision, durability, and compliance. DureX supports a wide range of CNC machining applications across industries, adapting to specific project needs. At DureX Inc. in Union, NJ, we bring decades of cross-industry experience to every project, ensuring your parts are built to the highest standards.
Key Industries We Support:
Aerospace – Lightweight alloys, tight tolerances, and components that withstand extreme temperatures.
Automotive – High-volume production parts, durable metal alloys, and finishing options for long-term performance.
Medical Devices – Precision-machined stainless steel and specialized plastics with corrosion resistance, chemical resistance, and biocompatibility.
Consumer Electronics – Small-scale, high-accuracy parts with excellent dimensional stability, electrical insulation, and low friction.
HVAC & Industrial Equipment – Components that demand strength, reliability, and environmental resistance.
By working across these diverse industries, we’ve developed the ability to adapt designs, materials, and processes to meet specific technical drawings, regulatory standards, and performance requirements.
Whether you need a single prototype or thousands of CNC machined parts, DureX provides the expertise and flexibility to deliver.
CNC Machining Costs & Lead Times
At DureX Inc., we understand that cost and turnaround time are critical when choosing a CNC machining service. That’s why we provide transparent pricing with clear CNC machining service cost breakdowns, and fast, reliable delivery from our Union, NJ facility.
What Affects CNC Machining Cost?
Material Selection – Stainless steel, mild steel, aluminum, plastics, and advanced resins vary in cost.
Part Complexity – Tight tolerances, intricate geometries, and specialized finishes can increase machining time.
Quantity – Low-volume prototypes vs. high-volume production parts (with volume pricing available).
Finishing Options – Secondary processes such as powder coating, heat treatment, or anodizing.
Why Local Manufacturing Matters:
Faster lead times compared to overseas suppliers.
Direct access to our engineers for quick adjustments and design optimization.
Lower shipping and logistics costs.
We also offer online CNC machining service quotes, making it easy to budget and plan your project. Whether you need one-off prototypes or thousands of parts, we’ll provide a competitive, accurate quote and deliver on time.
Frequently Asked Questions
What materials can DureX machine?
We work with a wide range of materials including stainless steel, mild steel, aluminum, brass, and engineering plastics such as PVC and epoxy resin. We also source specialty metals upon request.
What tolerances can you achieve?
Our CNC machining services are capable of maintaining tight tolerances, ensuring each part meets exact specifications for industries like aerospace and medical.
Do you provide prototypes as well as production parts?
Yes. We offer one-off prototypes for design validation and can seamlessly scale into volume production with competitive pricing.
What finishing options are available?
Our secondary services include powder coating, anodizing, chromate conversion coating, polishing, and heat treatment, enhancing both performance and appearance.
How fast is your turnaround time?
Because we’re a local CNC machining provider in Union, NJ, we can deliver faster lead times than overseas suppliers. Project timelines vary depending on complexity and volume, but we prioritize efficiency without compromising quality.
What industries do you serve?
We support industries such as aerospace, automotive, medical devices, consumer electronics, and HVAC/industrial equipment.