Brass CNC Machining Services
We provide high-precision brass CNC machining services, delivering high-quality parts to customers at lower production costs and with shorter lead times.
Custom Brass Machining for OEM & Contract Manufacturing
Brass is a wear-resistant metal widely used across various industries. We offer custom brass CNC machining services for OEM and contract manufacturing. Our state-of-the-art CNC equipment and experienced team ensure high-precision, cost-effective parts delivered on schedule. We can meet your requirements for everything from complex designs to tight tolerances, providing flexible and scalable solutions for projects ranging from single prototypes to mass production runs of thousands of units. Specializing in the high-volume production of components for industrial and commercial applications—such as fittings, valves, bushings, orifice plates, and plugs—we are dedicated to delivering high-quality, affordable brass parts that meet the strictest standards for precision, surface finish, and durability.
What is Brass CNC Machining?
Brass CNC machining is the process of manufacturing precision parts from solid brass stock based on CAD designs, utilizing computer-controlled cutting, drilling, and milling techniques. Characterized by excellent machinability, durability, and corrosion resistance, it is widely used in different sectors.
Properties
| Brass Grade | Key Properties | Applications |
| C360 Free-Cutting Brass | Tensile 15 ksi · Elongation 53% · HRB 35 | Precision & high-volume parts |
| C464 Naval Brass | Tensile 52 ksi · Elongation 30% · HRB 50 | Marine & outdoor parts |
| C260 Cartridge Brass | Tensile 52 ksi · Elongation 27% · HRB 50 | Deep-drawn & formed parts |
| Lead-Free Brass C932 / C443 | Tensile 45–50 ksi · Elongation 28–32% · HRB 42–50 | Medical, food & water parts |
Brass Grades We Machine
Our brass CNC machining capabilities cover a wide range of brass grades. We select machining processes and cutting parameters based on the specific characteristics of each alloy to produce custom parts with precise dimensions and consistent quality.
C260 Brass Machining
C360 Brass Machining
C464 Brass Machining
C230 Brass Machining
C280 Brass Machining
C353 Brass Machining
Brass CNC Machining Capabilities
Manufacturing precision brass components requires specialized CNC machining brass expertise. By combining cutting-edge tooling technology with advanced industry processes, we deliver world-class brass CNC machining services, offering a one-stop solution that spans everything from high-fidelity prototyping to full-scale production. Our team of over 30 experienced CNC specialists and design engineers is capable of manufacturing a wide range of components for high-end applications. Through real-time monitoring and thermal compensation, we maintain manufacturing tolerances within ±0.005 mm, ensuring consistent surface finish and dimensional accuracy. By optimizing production schedules and utilizing closed-loop material recycling systems, we leverage the excellent machinability of brass to significantly reduce lead times and control costs, thereby delivering efficient, reliable, and precision brass CNC machining.
Advantages of Brass CNC Machining
- Durable & reliable:Good strength, wear resistance, and surface finish
- Easy to machine:Smooth cutting, low tool wear, efficient production
- High precision:Tight tolerances with consistent repeatability
- Corrosion resistant:Long service life with low maintenance
- Heat resistant:Stable performance under elevated temperatures
- Non-sparking:Safe for flammable environments
- Recyclable:Fully recyclable and environmentally friendly
Efficient Brass CNC Machining
We specialize in high-efficiency, high-throughput brass CNC machining. Through the seamless integration of fully automated bar-feeding systems and high-performance multi-axis turn-mill equipment, we achieve high-speed, continuous, “lights-out” (unattended) production. Our engineers possess deep expertise in the material properties of various brass grades; by capitalizing on the material’s superior cutting characteristics, we optimize High-Speed Machining (HSM) strategies and toolpaths, reducing per-unit cycle times by 10%. Whether for rapid prototyping of urgent orders or large-scale mass production reaching the million-unit level, our robust equipment fleet and rapid production capabilities enable us to manufacture high-standard, custom-engineered parts.
Prototype
Small-batch Production
Mass Production
Advanced Brass CNC Techniques
Although machining brass is relatively easy, various issues can arise without proper process control. Xtproto ensures machining precision by utilizing high-speed spindles (up to 15,000 RPM), sharp carbide cutting tools, and optimized 5-axis and Swiss-style CNC machining workflows. Through micron-level in-process probing, we execute precision machining of complex, multi-sided features in a single setup, thereby eliminating cumulative errors associated with re-clamping. To address the tendency of brass to cause tool adhesion and burr formation, we employ custom-engineered tooling and high-pressure cooling systems; this allows us to effortlessly achieve Ra 0.4 mirror-like surface finishes while ensuring the structural integrity and dimensional consistency of deep holes, thin walls, and micro-features. Furthermore, our advanced chip recovery and process control systems enhance production efficiency and material utilization, enabling us to deliver reliable product quality at highly competitive prices.
Environmental Compliance
To meet global environmental regulations and green manufacturing requirements, we provide environmentally friendly brass CNC machining service for lead-free and low-lead brass materials. To address common challenges in lead-free brass machining, including tool adhesion, difficult chip evacuation, and increased tool wear, we optimize cutting tools and machining parameters to improve process stability and production efficiency.Material verification can include spectrometer testing and material certificates, with RoHS and REACH compliance available according to project requirements. We serve medical, electronic, electrical, and plumbing applications in the U.S. and European markets with brass components manufactured to applicable environmental and material requirements.
Quality Assurance
Our brass CNC machining process undergoes rigorous quality control at every stage, from raw materials to the final product. We ensure 100% compliance through brass-specific DFM (Design for Manufacturability) analysis and spectroscopic material traceability.
- 3D Coordinate Measurement (CMM Inspection):High-accuracy dimensional inspection to ensure parts meet specifications
- Material Certification:Certified material traceability for correct brass grades (e.g., C360, C464)
- Quality System Certification:ISO 9001 compliant process control with full traceability
- Plating Thickness Testing:Verification of coating thickness for plated components
- Surface Roughness Testing:Ensures required surface finish and functional quality
- Pre-Production DFM Analysis:Engineering review to reduce risks and improve manufacturability
Why Choose Us for Brass Machining?
About Our Factory
Our factory spans 160,000 square feet and features a dedicated brass CNC machining workshop. All brass projects are processed in this specific area to prevent material contamination that could arise from sharing facilities with other materials. The workshop is equipped with a wide range of advanced CNC machinery, including 5-axis machining centers, Swiss-type machining centers, horizontal and vertical machining centers, and turn-mill centers. These capabilities allow us to manufacture parts of various specifications and meet diverse customer customization requirements.
Engineering Expertise
Engineers play a pivotal role in every brass project we undertake. Our team consists of professionals who graduated from prestigious universities, possessing both extensive theoretical knowledge and diverse practical experience. Committed to consistently delivering high-quality brass CNC machining services, they engage in continuous learning and collaborative discussion to refine their skills, striving to provide our clients with exceptional service.
Precision Brass Machining Processes
CNC Machining
CNC Milling
CNC Turning
Swiss Machining
CNC Drilling
CNC Threading
Tolerances for Brass CNC Machining
We perform CNC machining of brass based on your drawings. We typically apply the ISO 2768-m (medium) standard by default, but we can also use the ISO 2768-f (fine) standard if required. Please specify your exact requirements before placing an order.
| Feature | Standard Requirement | Precision / Maximum |
| Machining Tolerance | ±0.02 mm (ISO 2768-f) | Up to ±0.01 mm* |
| Surface Roughness | Ra 0.8–1.6 μm | Custom finishes available |
| Max Part Size | 2000 × 1600 × 800 mm | Up to 1800 x 1000 x 500 mm |
| Min Feature Size | 5 × 5 × 5 mm | 0.50 mm (Material dependent) |
| Thread Standards | Metric, UNC, UNF | Full international compliance |
| Lead Time | Standard 3-5 Days | Fastest: 1 Day |
Surface Finishing Options
Brass Parts We Produced
Industries & Applications
Aerospace & Aviation
Automotive Industry
Electrical & Electronics
Medical Devices
Industrial Equipment
Marine Industry
Frequently Asked Questions
How do you control burrs and dimensional deformation on complex brass parts?
What surface finishes and anti-oxidation treatments do you provide for brass components?
What is your Minimum Order Quantity (MOQ) and lead time for brass prototypes vs. mass production?
How does the ordering process work, and what do I need to get a quote?
Start Your Brass CNC Project Today
We deliver high-quality brass parts on time and on budget.Let’s make your project a reality. Contact us now to get started!