Metal Materials

Custom Brass CNC Machining Services In China

BatchMach Precision provides high-quality brass CNC machining services for prototypes, low-volume production, and repeat manufacturing. With two ISO-certified factories, advanced CNC equipment, and experienced machining capabilities, we manufacture reliable brass machined parts with precise dimensions, consistent quality, and excellent surface finishes.

  • No MOQ RequiredOrder custom brass parts without minimum quantity requirements, ideal for prototypes and low-volume production.
  • ±0.005 mm Precision MachiningMaintain tight dimensional control to produce accurate and reliable brass machined parts.
  • Factory-Direct PricingReduce unnecessary costs with direct manufacturing support from our own CNC machining facilities.
  • Fast Lead TimeAccelerate product development and production with efficient machining processes and flexible manufacturing support.
    Custom Brass CNC Machining Services In China part

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    19+

    Years of Experience

    250+

    Machines & Testing Equipment

    11,000 m²

    Manufacturing Area

    200+

    Skilled Staff

    ISO

    9001 / 13485 / AS9100D

    With years of experience in batch production and precision inspection of complex parts, we manufacture and inspect components to drawing requirements, covering critical dimensions, geometric tolerances, and material specifications. We provide complete measurement reports and material certificates to ensure delivered parts meet the specified requirements.

    Trusted by
    numerous companies

    Custom Brass Parts Manufacturing Capabilities

    BatchMach Precision provides comprehensive brass machining solutions, including CNC turning, CNC milling, and multi-axis machining. Our manufacturing capabilities support the production of precision brass components with accurate dimensions, smooth finishes, and consistent quality for prototypes, low-volume production, and repeat orders.

    CNC Turning for Brass Components

    CNC Turning for Brass Components

    Brass offers excellent machinability, making it highly suitable for CNC turning applications. This process efficiently produces precision brass turned parts with features such as diameters, bores, threads, and grooves while maintaining stable accuracy and surface quality. Common applications include fittings, connectors, bushings, and shaft components.

    CNC Milling for Custom Brass Parts

    CNC Milling for Custom Brass Parts

    CNC milling is ideal for brass components with complex profiles, mounting features, slots, and pockets. With optimized tooling and machining parameters, we produce custom brass parts with precise geometries, clean edges, and consistent surface finishes.

    5-Axis Machining for Complex Brass Components

    5-Axis Machining for Complex Brass Components

    5-axis machining reduces the need for multiple setups and improves positional accuracy when manufacturing complex brass components. It is suitable for parts with multiple machining surfaces, detailed features, and higher consistency requirements.

    Precision CNC Machining for Brass Parts

    Precision CNC Machining for Brass Parts

    BatchMach Precision provides precision CNC machining solutions for brass components requiring tight tolerances, reliable performance, and consistent quality. With optimized machining processes and strict dimensional control, we produce accurate CNC machined brass parts for prototypes, low-volume production, and repeat manufacturing.

    Key Material Properties of Brass

    Brass GradeTensile Strength, Yield (MPa)Fatigue Strength (MPa)Elongation at Break (%)Hardness (Brinell)Density (g/cm³)
    Brass C2609512550758.53
    Brass C360145140181308.49

    Surface Finishes for Brass CNC Machined Parts

    BatchMach Precision provides various surface finishing options for brass CNC machined parts to improve appearance, corrosion resistance, durability, and functional performance. Based on the application requirements, we help customers select suitable finishing processes while maintaining critical dimensions and part consistency.

    As Machined

    As Machined surface finish sample

    As-machined brass parts retain the natural surface finish created during CNC machining. This option is suitable for functional components where dimensional accuracy, machining efficiency, and cost control are more important than additional cosmetic treatment.

    Polishing

    Polishing surface finish sample

    Polishing improves the surface smoothness and visual appearance of brass components by removing machining marks and creating a brighter finish. It is commonly used for exposed parts, decorative hardware, and precision components requiring an attractive surface.

    Brushing

    Brushing surface finish sample

    Brushing creates a uniform directional texture on brass surfaces, reducing reflections while providing a consistent appearance. This finish is suitable for visible components where both surface aesthetics and scratch resistance are important.

    Nickel Plating

    Nickel Plating surface finish sample

    Nickel plating adds a protective coating to brass parts, improving corrosion resistance, surface hardness, and long-term durability. It is commonly applied to electrical components, industrial hardware, and precision parts requiring enhanced surface protection.

    Electroplating

    Electroplating surface finish sample

    Electroplating allows brass components to receive different metal coatings to improve appearance, corrosion resistance, or functional performance. The process is suitable for custom brass parts requiring specific surface properties and finishing requirements.

    Pros and Cons of Brass CNC Machining

    Pros

    Excellent Machinability

    Brass is one of the most machinable metal materials, allowing higher cutting speeds, efficient production, and stable machining performance. This makes it suitable for producing precision parts with threads, grooves, and complex features.

    Good Electrical Conductivity

    Brass provides reliable electrical conductivity, making it widely used for connectors, terminals, and electrical components that require stable current transmission.

    Corrosion Resistance

    Brass offers good resistance to corrosion in many environments, helping components maintain long-term reliability in plumbing, industrial, and mechanical applications.

    High-Quality Surface Finish

    Due to its smooth cutting characteristics, brass can achieve excellent surface finishes with minimal post-processing, making it suitable for both functional and visible components.

    !Cons

    Higher Material Cost

    Compared with common CNC materials such as aluminum, brass generally has a higher raw material cost, which may affect overall part pricing for larger production volumes.

    Material Selection Requirements

    Different brass alloys provide different combinations of machinability, strength, and corrosion resistance. Selecting the appropriate grade is important to ensure the final part meets performance requirements.

    Lower Strength Compared with Some Engineering Metals

    Although brass provides good mechanical properties, it may not be suitable for applications requiring the highest strength or weight reduction compared with materials such as steel or titanium.

    CNC Machined Brass Parts Applications

    /01

    Electrical & Electronics

    Brass is widely used in electrical components because it provides a good balance of conductivity, corrosion resistance, and machinability. CNC machining allows manufacturers to produce precise terminals, connectors, and contact components with accurate dimensions and reliable performance.

    /02

    Plumbing & Fluid Control

    Brass has long been used in plumbing and fluid control systems due to its corrosion resistance and ease of machining. CNC machining is especially suitable for producing fittings, adapters, and valve components that require accurate threads, smooth surfaces, and consistent assembly performance.

    /03

    Industrial Equipment

    Many industrial machines use brass components where precision, smooth movement, and durability are important. With excellent machining characteristics, brass can be manufactured into bushings, inserts, gears, and other mechanical parts requiring stable dimensions and reliable operation.

    /04

    Automotive Components

    Brass is commonly found in automotive applications that require reliable electrical connections, corrosion resistance, and precision manufacturing. CNC machining supports the production of small but critical components used in sensors, connectors, and mechanical assemblies.

    /05

    Decorative & Hardware Products

    Brass is also valued for its natural appearance and ability to achieve high-quality surface finishes. CNC machining enables manufacturers to create detailed hardware components, fittings, and custom parts with clean edges and consistent visual quality.

    Brass CNC Machining Capabilities at Our Factory

    BatchMach Precision provides reliable custom brass machining solutions for prototypes, low-volume production, and repeat manufacturing. With two ISO-certified factories, advanced CNC equipment, and experienced machining teams, we support the production of precision brass components with consistent quality and stable delivery.

    5-Axis Machining Centers

    5-Axis Machining Centers

    DMU 95 CNC Machining

    DMU 95 CNC Machining

    DMG MORI Workshop

    DMG MORI Workshop

    CNC Machining Workshop

    CNC Machining Workshop

    CNC Production Line

    CNC Production Line

    CNC Production Workshop

    CNC Production Workshop

    Aerospace CNC Milling

    Aerospace CNC Milling

    Large-Part CNC Workshop

    Large-Part CNC Workshop

    Large-Part Machining

    Large-Part Machining

    Powder Coating Workshop

    Powder Coating Workshop

    Why Choose BatchMach Precision for Brass CNC Machining

    Experienced Brass Machining Process Control

    Experienced Brass Machining Process Control

    BatchMach Precision provides reliable brass machining services by selecting suitable tooling, machining strategies, and process parameters based on material grade, part geometry, and application requirements. This helps ensure stable quality, accurate dimensions, and consistent performance.

    Consistent Quality Across Production Batches

    Consistent Quality Across Production Batches

    For repeat orders, maintaining consistency between production batches is critical. Through standardized machining processes, in-process control, and dimensional inspection, BatchMach Precision helps ensure stable quality and reliable performance throughout ongoing production.

    Complete Machining and Finishing Support

    Complete Machining and Finishing Support

    Brass components often require more than accurate machining, especially when appearance, corrosion resistance, or assembly performance are important. BatchMach Precision provides integrated support from CNC machining to finishing processes such as polishing and plating, reducing coordination between multiple suppliers.

    Prototype to Production Support

    Prototype to Production Support

    From initial design validation to repeat manufacturing, BatchMach Precision provides flexible manufacturing support throughout the product lifecycle. Our team helps optimize machining processes, improve production efficiency, and ensure a smooth transition from prototypes to stable production.

    Brass CNC Machining FAQ

    BatchMach Precision provides custom brass CNC milling, turning, and 5-axis machining based on your drawings. We manufacture components such as threaded fittings, connector housings, valve bodies, bushings, and precision spacers. Our team selects the machining process around your part geometry, dimensional requirements, and order quantity to support accurate parts and efficient production.

    We machine C360 brass, a leaded, free-cutting grade known for its excellent machinability. Other brass grades can be reviewed against your drawings and material availability. For lead-free brass CNC machined components, specify the exact alloy and required material documentation when requesting a quote so we can assess sourcing and machining requirements before production.

    BatchMach Precision can achieve tolerances down to ±0.005 mm on suitable critical features, subject to drawing review. Achievable accuracy depends on part size, geometry, material condition, and finishing requirements. We confirm tolerances before production and account for plating thickness where necessary to help maintain the specified fit of mating components.

    Brass CNC machining cost depends on the alloy, stock size, part complexity, tolerances, quantity, surface finish, and inspection requirements. BatchMach Precision provides factory-direct quotations based on your drawings. During design review, we can identify features that add machining time and suggest practical changes for your approval, helping reduce cost while preserving the part’s function.

    Yes. BatchMach Precision supports one-off brass prototypes, batch production, and repeat orders, with no minimum order quantity. You can begin with parts for fit checks and testing, then move into production using the approved drawing requirements. Machining and inspection are planned around each order to support consistent results as quantities increase.

    Simple brass parts can be machined in as little as one day, subject to confirmed drawings, suitable material availability, and production capacity. Complex features, larger quantities, plating, and additional inspection require more time. We confirm the manufacturing schedule during quotation so you can plan assembly and purchasing around an agreed delivery date.

    Options include as-machined, polished, bead-blasted, and nickel-plated finishes, depending on the part’s requirements. Brass can be polished for appearance or plated with nickel for a different surface finish. We review surface roughness, coating thickness, visible areas, and mating features before confirming the process, helping you specify a finish that suits both appearance and assembly.

    Yes. We manufacture brass CNC turned parts with internal and external threads, stepped diameters, bores, grooves, and shoulders. Additional milling can produce flats, slots, cross-holes, and mounting features. Combining turning and milling capabilities allows you to source these features through one manufacturing partner, with thread specifications and critical dimensions reviewed before machining.

    BatchMach Precision operates two ISO-certified CNC machining facilities and uses inspection equipment, including CMM systems, to verify specified features. Inspection is planned around your drawings, critical dimensions, and agreed requirements. Material certificates, dimensional inspection reports, and first article inspection documentation can be provided according to project needs, supporting incoming inspection and repeat purchasing.

    Send your 3D CAD model and 2D drawing, together with the brass grade, quantity, tolerances, surface finish, and required delivery date. Include any inspection or documentation requirements. If the material or finish is undecided, describe the application so our team can review suitable options and prepare a quotation with clear manufacturing requirements.

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