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Custom CNC Brass Machining – Turning, Drilling & Surface Finishing

BIE offers custom CNC brass machining with turning, drilling & surface finishing. Get fully customized brass parts with complete traceability. Perfect for instruments, medical devices & custom hardware.

  • Description
  • Your Custom Manufacturing Journey
  • Integrated Machining Capabilities
  • Tailored Surface Finishing Options
  • Design for Manufacturing Support
  • Application-Specific Solutions
  • Quality Assurance with Full Traceability
  • Technical Specifications
  • Start Your Custom Brass Project Today

Custom CNC Brass Machining – Turning, Drilling & Surface Finishing

BIE specializes in custom CNC brass machining services for clients who require unique, non-standard components. We understand that off-the-shelf solutions don't always meet specific application needs. That's why we offer fully customized manufacturing - from initial concept to final assembly - delivering brass parts that match your exact specifications for fit, function, and appearance.

We've streamlined our process to make custom manufacturing straightforward and transparent:
1.Design Input:Share your 2D/3D drawings, samples, or even conceptual sketches. Our engineers will review your requirements and provide initial feedback.
2.Process Design & DFM:We develop a comprehensive manufacturing strategy, selecting the optimal combination of turning, drilling, and finishing processes.
3.Precision Machining:Your parts undergo CNC turning, drilling, and other necessary operations in our temperature-controlled workshop.
4.Surface Enhancement:Components receive the specified finishing treatment to achieve the desired aesthetic and functional properties.
5.Final Assembly (Optional):We can perform sub-assembly or complete assembly services, delivering ready-to-install components.

Our strength lies in combining multiple processes to create complex custom parts:

  • CNC Turning:For precise diameters, threads, and concentric features.
  • CNC Drilling & Tapping:Accurate hole patterns and threaded connections.
  • CNC Milling:For adding flats, slots, or complex contours to turned parts.
  • Deburring & Edge Finishing:Ensuring smooth, safe-to-handle components.
  • Comprehensive Surface Treatments:The final touch that defines your part's appearance and durability.

We provide extensive finishing capabilities to meet both aesthetic and functional requirements:

Finish Type

Characteristics

Best For

Mirror Polishing

Reflective, jewel-like surface

Luxury items, decorative elements

Brushed Finish

Consistent satin texture with directional grain

Architectural hardware, modern appliances

Electroplating

Metallic coatings (Ni, Cr, Au, Ag) for color and protection

Marine components, corrosion-resistant parts

Powder Coating

Durable colored finish in various textures and gloss levels

Color-coded components, enhanced grip

Anti-Tarnish Coating

Clear protective layer to maintain original appearance

Historical replicas, archival components

Our engineering team provides free DFM analysis to optimize your custom parts for:

  • Manufacturability:Suggesting design modifications to improve machining efficiency
  • Cost-Effectiveness:Identifying opportunities to reduce production costs without compromising quality
  • Functionality:Recommending adjustments to enhance part performance and durability
  • Material Selection:Advising on the most suitable brass alloy for your specific application

Our custom brass machining serves diverse industries with unique requirements:
Instrumentation & Measurement

  • Precision sensor housings with integrated mounting features
  • Calibration components with tight-tolerance bore diameters
  • Analysis equipment parts with complex internal channels


Medical & Dental Devices

  • Surgical instrument handles with ergonomic contours
  • Diagnostic equipment components with biocompatible finishes
  • Dental hand piece parts with precise bearing surfaces


Custom Hardware & Special Applications

  • Architectural restoration pieces matching historical patterns
  • Specialty valves and fittings with unique port configurations
  • Award and trophy components with custom engraving

Every custom order receives our comprehensive quality commitment:

  • Material Certification:Verification of brass alloy composition and properties
  • In-Process Inspection:Dimensional checks at critical manufacturing stages
  • Final Validation:Complete CMM inspection against your drawing requirements
  • Documentation Package:Each shipment includes inspection reports, material certificates, and process records
  • Lot Traceability:Full tracking from raw material to finished part

Processing

CNC Turning, CNC Milling, CNC Drilling, Tapping, Wire Cutting, EDM

Brass Grades

C3604, C3771, C46400, H59, H62, C2801, C27200

Tolerance

±0.01mm (±0.005mm for critical features)

Surface Roughness

Ra 0.1–3.2

Surface Treatment

Polishing, Plating (Nickel, Chrome, Gold), Sandblasting, Brushing, Coating

Inspection Equipment

CMM, Optical Projector, Surface Roughness Tester, Digital Caliper

Lead Time

Prototype: 3–7 days; Mass Production: 20–30 days

Certification

ISO 9001:2015, RoHS Compliance

Whether you need a single prototype or production quantities, we have the flexibility and expertise to deliver custom brass parts that meet your exact requirements.
Submit your design for a free DFM analysis and quotation.Our engineering team will review your project and provide recommendations to optimize your design for manufacturing.
Contact BIE to discuss your custom brass machining needs and discover how our integrated approach can simplify your supply chain while ensuring superior quality.

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