Custom CNC Machining Brass Parts
Professional precision brass machining services with 15 years of manufacturing excellence. We specialize in high-quality brass components for automotive, marine, electronics, and industrial applications.
Why Choose Rapidaccu for Brass CNC Machining
Located in Shenzhen, China, we combine advanced manufacturing technology with competitive pricing
Advanced Equipment
State-of-the-art 3-axis, 4-axis, and 5-axis CNC machining centers equipped with precision tooling for complex brass components.
ISO Certified Quality
ISO 9001:2015 certified quality management system ensuring consistent precision and reliability in every brass part.
Expert Engineering Team
Experienced engineers and machinists with deep expertise in brass alloy properties and optimal machining parameters.
Brass Material Properties
Understanding the exceptional characteristics that make brass ideal for precision machining
Excellent Machinability
Lead content in brass alloys provides superior machinability, allowing for complex geometries and fine surface finishes with reduced tool wear.
Corrosion Resistance
Superior resistance to corrosion, tarnishing, and dezincification makes brass ideal for marine and outdoor applications.
Electrical Conductivity
High electrical and thermal conductivity inherited from copper content, perfect for electrical components and heat exchange applications.
Antimicrobial Properties
Natural antimicrobial properties make brass suitable for medical devices, food processing equipment, and hygiene-critical applications.
ASTM Brass Grades Specifications
Comprehensive comparison of brass alloy grades for optimal material selection
| Grade | Composition | Tensile Strength (MPa) | Applications | Machinability | Cost Level |
|---|---|---|---|---|---|
| C260 (Cartridge Brass) |
70% Cu, 30% Zn | 427-517 | Cartridge cases, radiator cores, lamp fixtures, fasteners | Good | $$ |
| C360 (Free-Cutting Brass) |
61.5% Cu, 35.5% Zn, 3% Pb | 338-469 | Gears, screw machine parts, valve components, fittings | Excellent | $$$ |
| C230 (Red Brass) |
85% Cu, 15% Zn | 270-380 | Plumbing fittings, condenser tubes, heat exchangers | Good | $$$ |
| C220 (Commercial Bronze) |
90% Cu, 10% Zn | 250-330 | Weather stripping, electrical contacts, jewelry | Fair | $$$$ |
| C280 (Muntz Metal) |
60% Cu, 40% Zn | 380-450 | Marine hardware, architectural trim, large nuts and bolts | Good | $$ |
Brass CNC Machining Applications
Diverse industries rely on our precision brass components
Automotive
Fuel line fittings, brake components, electrical connectors, valve stems
Marine
Propeller shafts, marine hardware, seawater valves, porthole fittings
Electronics
RF connectors, electrical contacts, switch components, EMI shielding
Industrial
Hydraulic fittings, pump components, valve bodies, precision gears
Musical Instruments
Brass instrument parts, valve mechanisms, tuning slides, mouthpieces
Plumbing & HVAC
Pipe fittings, valve components, water meter parts, compression fittings
Advanced Manufacturing Capabilities
Precision machining services tailored to your specifications
3-5 Axis CNC Milling
Complex geometries and intricate features with multi-axis machining capabilities for precision brass components.
- • Surface milling and contouring
- • Pocket machining and drilling
- • Thread milling and tapping
CNC Turning Services
High-precision turning operations for cylindrical brass parts with excellent surface finish and dimensional accuracy.
- • External and internal turning
- • Grooving and parting operations
- • Live tooling capabilities
Swiss Machining
High-volume production of small, complex brass parts with exceptional precision and repeatability.
- • Small diameter components
- • High aspect ratio parts
- • Sub-spindle operations
Surface Finishing Options
Comprehensive finishing services to meet your functional and aesthetic requirements
As-Machined Finish
Natural surface finish directly from machining operations, suitable for functional applications where appearance is not critical.
Polishing and Buffing
Mirror-like finish achieved through progressive polishing, ideal for decorative and high-visibility applications.
Electroless Nickel Plating
Uniform coating providing enhanced corrosion resistance and wear protection for demanding environments.
Chromate Conversion Coating
Protective coating that enhances corrosion resistance while maintaining electrical conductivity.
Powder Coating
Durable finish available in various colors, providing excellent protection against corrosion and wear.
Quality Assurance
Rigorous quality control ensures every brass part meets your specifications
Incoming Inspection
Material certification and dimensional verification of raw brass stock
In-Process Control
Real-time monitoring and measurement during machining operations
Final Inspection
Complete dimensional inspection using CMM and precision measuring equipment
Documentation
Complete traceability with inspection reports and material certificates
Frequently Asked Questions
Common questions about our brass CNC machining services
What brass grades can you machine?
We specialize in machining various brass grades including C260 (Cartridge Brass), C360 (Free-Cutting Brass), C230 (Red Brass), C220 (Commercial Bronze), and C280 (Muntz Metal). Each grade offers specific properties suitable for different applications.
Why is brass ideal for CNC machining?
Brass offers excellent machinability due to its lead content, superior corrosion resistance, good electrical and thermal conductivity, and attractive finish. These properties make it perfect for precision components in automotive, marine, and electronic applications.
What tolerances can you achieve with brass machining?
Our precision CNC machining capabilities allow us to achieve tolerances as tight as ±0.005mm (±0.0002″) for brass components, ensuring exceptional accuracy for critical applications in aerospace, medical, and precision instruments.
What surface finishes are available for brass parts?
We offer various surface finishes including as-machined, polished, brushed, anodized, electroless nickel plating, powder coating, and chromate conversion coating to meet specific functional and aesthetic requirements.
What industries do you serve with brass CNC machining?
We serve diverse industries including automotive, marine, electronics, plumbing and HVAC, musical instruments, telecommunications, industrial equipment, and decorative hardware applications.
Get Your Custom Brass Parts Quote
Contact our experienced team for professional brass CNC machining services. We provide detailed quotes and technical consultation for your project requirements.