Precision Brass CNC Machining Manufacturer in China – High-Quality Custom Brass Parts
Introduction: Expert Brass Machining Services in China
As a leading brass CNC machining manufacturer in China, we specialize in producing high-precision brass components for industries worldwide. With 20 years of experience in brass machining, our facility combines advanced CNC technology, strict quality control, and competitive pricing to deliver superior brass parts that meet exact specifications.
Brass is prized for its excellent machinability, corrosion resistance, and electrical conductivity, making it ideal for plumbing, electronics, marine, and decorative applications. Our China-based manufacturing offers cost-effective brass machining solutions without compromising on quality or precision.
Why Choose Brass for CNC Machining?
Brass offers unique advantages that make it a preferred material for precision components:
✔ Superior Machinability – Cuts cleanly with excellent surface finishes
✔ Natural Corrosion Resistance – Ideal for marine and plumbing applications
✔ High Electrical & Thermal Conductivity – Perfect for electronic components
✔ Antimicrobial Properties – Used in medical and food-grade applications
✔ Attractive Gold-Like Appearance – Popular for decorative hardware
✔ 100% Recyclable – Environmentally friendly material
Common Brass Alloys We Machine:
| Brass Type | Composition | Key Properties | Typical Applications |
|---|---|---|---|
| C360 (Free-Cutting Brass) | 60% Cu, 35.5% Zn, 3% Pb | Best machinability, good strength | Fittings, valves, gears |
| C260 (Cartridge Brass) | 70% Cu, 30% Zn | Excellent cold working properties | Ammunition casings, plumbing |
| C464 (Naval Brass) | 60% Cu, 39% Zn, 1% Sn | Superior corrosion resistance | Marine hardware, propeller shafts |
| C857 (Leaded Brass) | 63% Cu, 35.4% Zn, 1.6% Pb | Enhanced machining, pressure tight | Pump components, valves |
Our Brass CNC Machining Capabilities
1. Precision Machining Processes
We provide complete brass machining services including:
- CNC Milling – Complex 3D geometries with tight tolerances
- CNC Turning – Precision cylindrical and conical parts
- Swiss Machining – Micro-machining for small, intricate components
- Drilling & Tapping – High-precision hole-making
- Threading – Internal and external threads to specification
2. Advanced Equipment
Our workshop features:
- 5-Axis CNC Machining Centers – For complex brass parts
- Swiss-Type CNC Lathes – For ultra-precision small parts
- High-Speed CNC Mills – Optimized for brass machining
- Automatic Bar Feeders – For efficient mass production
3. Tolerances & Surface Finishes
- Standard Tolerance: ±0.02mm
- High-Precision Tolerance: ±0.005mm (for critical applications)
- Surface Finishes: From 0.8μm Ra (as-machined) to mirror polish (0.1μm Ra)
4. Secondary Operations
- Polishing & Buffing – For decorative finishes
- Plating – Nickel, chrome, or gold plating available
- Laser Engraving – For part numbering/logos
- Anti-Tarnish Coating – For long-term protection
Industries We Serve
1. Plumbing & Fluid Systems
- Brass fittings, valves, and connectors
- Compression fittings, pipe adapters
2. Electronics & Electrical
- Connector pins, terminals, and bushings
- RF components, waveguide parts
3. Marine & Offshore
- Corrosion-resistant marine hardware
- Propeller shafts, underwater connectors
4. Automotive
- Fuel system components, sensor housings
- Decorative trim and emblems
5. Musical Instruments
- Precision valves for brass instruments
- Decorative inlays and fittings
6. Decorative Hardware
- Door handles, knobs, and hinges
- Luxury fixtures and architectural elements
Quality Assurance Process
We implement rigorous quality control at every stage:
- Material Certification – Mill test reports for all brass stock
- First-Article Inspection – Verify initial samples match specs
- In-Process Checks – Dimensional verification during production
- Final Inspection – CMM measurement, surface finish verification
- Packaging Protection – Anti-tarnish packaging for brass parts
Our quality system is ISO 9001:2015 certified, and we comply with RoHS for electronic components.
Competitive Advantages
✅ China Cost Advantage
- 40-60% lower costs than US/EU manufacturers
- Direct factory pricing with no middlemen
✅ Rapid Prototyping
- 3-5 day turnaround for brass prototypes
- Design-for-Manufacturability (DFM) feedback
✅ High-Volume Production
- 50,000+ monthly capacity for standard brass parts
- Just-in-Time (JIT) delivery available
✅ Engineering Expertise
- Material selection guidance
- Tolerance optimization to reduce costs
Brass CNC Machining Case Study
Project: Precision Brass Valve Body
Material: C36000 Free-Cutting Brass
Quantity: 10,000 pieces annually
Key Challenges:
- Thin-wall sections (1.2mm) requiring stable machining
- 0.01mm concentricity tolerance for sealing surfaces
Our Solution: - Specialized fixturing to prevent deformation
- Custom tooling for optimal surface finish
- 100% pressure testing before shipment
Results: - Zero leakage in final products
- 30% cost reduction versus previous supplier
Our Brass Machining Process
- Material Selection – Choose optimal brass alloy
- CNC Programming – Optimize tool paths for brass
- Precision Machining – Milling, turning, drilling
- Deburring – Remove all sharp edges
- Surface Finishing – Polish, plate, or coat
- Quality Inspection – Full dimensional report
- Packaging – Anti-tarnish protection
Why Choose a Chinese Brass Machining Manufacturer?
- Centuries of brassworking heritage
- Modern CNC infrastructure
- Cost-competitive skilled labor
- Efficient brass material supply chain
- Flexibility for both prototypes and mass production
Get Started With Us Today
📩 Send Your CAD Files (STEP, IGES, SolidWorks preferred)
💰 Receive Quote Within 24 Hours
🛠️ Production with Regular Updates
🔍 Inspection Reports Provided
🚢 Global Shipping Arranged
Conclusion: Your Trusted Brass Parts Manufacturer
As a professional brass CNC machining manufacturer in China, we deliver high-quality, precision brass components at competitive prices. Our advanced CNC equipment, strict quality control, and brass machining expertise ensure your parts meet the most demanding requirements.
Whether you need prototypes or high-volume production, we provide reliable, cost-effective brass machining solutions with fast turnaround times.
Contact us today for a free quote and experience China’s brass machining excellence!
