15 years one-stop China custom CNC machining parts factory
VMT custom precision bronze CNC-machined parts—get an instant quote today. Rapid prototyping and production of components such as bushings and bearings within 3–5 days at competitive prices. ISO 9001 and IATF 16949 certified.
Precision bronze parts with tolerances up to ±0.005 mm
40+ materials and surface finishing，with material testing reports provided.
24-hour prototyping support with 1-to-1 engineering assistance and fast DFM analysis
12-step quality inspection process with 100% inspection of critical dimensions
ISO 9001, IATF 16949, and RoHS certified
16 yearsMachining Experience
2 HoursQuick Quote
0 PcsMinimum Order Qualities
98%Yield
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Accelerate Product Development and Production with On-Demand Custom Bronze CNC Machining Services
If you are looking for precision bronze parts or rapid prototyping solutions, you’ve come to the right place. From bearings, bushings, valves, gears, and fittings to complex industrial components, we deliver reliable prototype and production solutions tailored to your needs.
VMT has extensive experience working with OEMs and aftermarket manufacturers, supporting the development of new bronze components and assemblies. With advanced CNC machining, precision turning, milling, and secondary finishing capabilities, we ensure every part meets exact specifications. We also offer multiple bronze alloys to achieve optimal wear resistance, strength, and corrosion performance for demanding applications.
Custom Prototypes and High-Volume Bronze CNC Machining Parts Manufacturing
24/7 CNC Machining Facility with Samples Ready in 7-10 Days
We are a professional CNC machining manufacturer specializing in custom bronze parts, delivering prototypes in 3–5 days and scalable production up to 100,000+ units. With ±0.01 mm tolerances, 99.8% on-time delivery, and full material traceability, we help customers reduce risk, cost, and lead time.
Custom Bronze CNC Machined Parts Manufacturing Process
Our bronze CNC machining process integrates precision turning, multi-axis milling, and strict process control to achieve tight tolerances, excellent wear resistance, and consistent quality from prototyping to mass production.
CNC Turn-Mill Combination Machining
Electrical Discharge Machining
Laser Cutting
Sheet Metal Fabrication
Die Casting
Bronze CNC Machined Parts Material
We machine a wide range of bronze alloys, including phosphor bronze, aluminum bronze, and tin bronze, offering excellent wear resistance, corrosion performance, and strength for precision CNC machined parts across industrial and mechanical applications.
Advantages: Excellent mechanical performance, high precision, and high repeatability.
Disadvantages: More limited geometric capabilities compared to 3D printing.
Available Copper at VMT: tin bronze, phosphor bronze, aluminum bronze, silicon bronze, leaded bronze, manganese bronze, etc.
Price: $$$
Delivery Time: < 10 days
Wall Thickness: 0.5 mm
Tolerance: ±0.125 mm (±0.005 inches)
Maximum Part Size: 200 x 80 x 100 cm
Bronze Properties
| Materials |
Tensile Strength, Yield (MPa) |
Yield Strength (MPa) |
Fatigue Strength (MPa) |
Elongation at Break (%) |
Hardness (Brinell) |
Density (g/cm³) |
| Tin Bronze | 350–550 | 200–350 | 140–220 | 10–30 | 80–140 | 8.8 |
| Phosphor Bronze | 400–600 | 250–400 | 150–250 | 5–25 | 90–150 | 8.8 |
| Aluminum Bronze | 550–700 | 400–600 | 200–300 | 10–20 | 160–220 | 7.6–7.8 |
| Silicon Bronze | 350–550 | 200–400 | 150–250 | 15–25 | 90–140 | 8.3–8.5 |
| Leaded Bronze |
250–400 | 150–250 | 120–180 | 10–25 | 70–120 | 8.7–8.9 |
| Manganese Bronze |
550–750 | 400–600 | 250–350 | 10–15 | 150–200 | 8.3–8.7 |
Copper C932 | SAE 660 Bronze | Bearing Bronze
Copper C932 bearing bronze, commonly known as SAE 660 bronze and also called leaded tin bronze, offers excellent machinability, embedability, and anti-friction properties. It is widely used for bushings, bearings, thrust washers, and wear plates.
Tin Bronze
Tin bronze is also commonly referred to as phosphor bronze, leaded bronze, tin-alloy bronze, or copper-tin alloy. Due to its high strength, excellent corrosion resistance, and superior wear resistance, it is widely used in bearings, bushings, gears, springs, and wear-resistant components.
Aluminum Bronze C95400 | 954 Bearing Bronze | SAE 68 Bronze
954 bearing bronze, commonly known as aluminum bronze C95400, is also called SAE 68 bronze or bearing aluminum bronze. With high strength, excellent wear and corrosion resistance, it is widely used for heavy-duty bearings, bushings, gears, and wear-resistant components.
Phosphor Bronze C54400 | 544 Bearing Bronze
Phosphor Bronze C54400 (also 544 Bearing Bronze) is known as C54400 phosphor bronze, 544 bronze, leaded phosphor bronze, or Cu-Sn-P alloy. With high strength, excellent wear and corrosion resistance, and good machinability, it is widely used for bearings, bushings, gears, springs, and electrical components.
Manganese Bronze
Manganese bronze, also called copper-manganese alloy, high-strength manganese bronze, marine bronze, or aluminum-manganese bronze, offers excellent corrosion resistance, high strength, and wear resistance. It is widely used for marine hardware, gears, shafts, valve components, and high-strength industrial parts.
Silicon Bronze | C65500 Bronze
Silicon bronze (C65500) is also known as C65500 copper alloy, silicon copper, copper-silicon alloy, or high-strength silicon bronze. With excellent corrosion resistance, good strength, and high conductivity, it is widely used in marine hardware, fasteners, electrical components, and corrosion-resistant parts.
Leaded Bronze
Leaded bronze, also called leaded copper alloy, Cu-Sn-Pb alloy, bearing bronze, or leaded tin bronze, offers excellent machinability, embedability, and anti-friction properties. It is widely used for bearings, bushings, gears, and wear-resistant components.
Custom Precision Bronze CNC Machining Parts Gallery
Showcasing our precision custom bronze CNC machined parts, featuring tight tolerances, smooth finishes, and superior wear resistance. From prototypes to high-volume production, we deliver reliable, high-performance components for industrial, electrical, and mechanical applications.
Bronze: National Standards and Equivalent Grades in Various Countries
We maintain a stock of over 40 types of certified materials, enabling us to quickly deliver precision prototypes and small-batch parts within 24 hours. Some of these materials are already IMDS certified.
| Country / Standard | Bronze Equivalent Grades | Notes / Description |
| USA (ASTM / UNS) |
C93200, C95400, C54400, C65500 | C932 = leaded tin bronze; C954 = aluminum bronze; C544 = phosphor bronze; C655 = silicon bronze |
| Germany (DIN / W.Nr.) |
CuSn12Pb2, CuAl10Fe3Mn2, CuSn8, CuSi3 | Leaded tin bronze, aluminum bronze, phosphor bronze, silicon bronze |
| France (AFNOR / NF) |
CuSn10Pb10, CuAl9Fe3Mn, CuSn8 | Similar to DIN grades; leaded tin, aluminum bronze, phosphor bronze |
| Japan (JIS) |
C3401, C9541, C5441, C6551 | Leaded bronze, aluminum bronze, phosphor bronze, silicon bronze |
| China (GB / Cu) |
ZCuSn10Pb10, ZCuAl10Fe3Mn2, ZCuSn6P, ZCuSi3 | Leaded tin bronze, aluminum bronze, phosphor bronze, silicon bronze |
| UK / BS |
Bz10Pb10, BzAl10Fe3Mn2, BzSn6P, BzSi3 | Leaded tin bronze, aluminum bronze, phosphor bronze, silicon bronze |
| Italy (UNI) |
CuSn10Pb10, CuAl10Fe3Mn2, CuSn6P, CuSi3 | Same as above; commonly used for bearing and wear components |
Bronze CNC Machined Parts Quality Inspection: Inspection Equipment
Our bronze CNC parts undergo rigorous quality inspection using CMMs, hardness testers, optical projectors, and surface analyzers, ensuring precise dimensions, consistent material properties, and reliable performance from prototype to high-volume production.
3D Detection
Roundness Meter
Ultrasonic Cleaning
Blu-Ray 3D Scanning
Electronic Height Gauge
Air Tightness Test
2D Detection
Hardness Testing
Surface Finish Inspection
IPQC Inspection
Microscope Surface Inspection
Salt Spray Tester
Bronze CNC Machined Parts Surface Finishing Options
We offer comprehensive surface treatment options for bronze CNC parts, including polishing, deburring, plating, coating, and chemical finishes, ensuring wear resistance, corrosion protection, and superior aesthetics for functional and decorative applications.
As Machined
Chemical Coatings / Passivation
Sand Blasting
Electroplating
Powder Coating
Painting
Polishing
Silkscreen Printing
Brushing / Brushed Finish
PVD Coating
Electroless Nickel
Laser Engraving / Marking
Flexible Turnaround Time
We customize production schedules for various projects to ensure we meet your bronze CNC machining needs.
Project Type
Urgent high-Precision Samples
CNC Prototype Manufacturing
Molding Requirements
High-Volume Production
Turnaround Time
24-Hour Delivery
Simple Parts: 1–3 days,Complex Parts: 3–7 days
Mold Production: Completed in 5 days, with samples delivered within 7 days.
Lead Times: Depend on part complexity, with typical delivery within 2–4 weeks, always meeting customer deadlines.
For projects with urgent deadlines, please contact us immediately for expedited processing.
Advantages and Disadvantages of Bronze CNC Machining
Bronze CNC machining offers a balanced combination of performance, precision, and cost efficiency, but it also has certain limitations. Below is a clear overview of the advantages and disadvantages of bronze CNC machining:
Advantages of Bronze CNC Machining
Disadvantages of Bronze CNC Machining
Applications of CNC Machined Bronze Parts
CNC machined bronze parts are widely used in industries that require wear resistance, corrosion resistance, and excellent mechanical or electrical performance. Typical applications include:
These applications leverage bronze's strength, ductility, wear resistance, and corrosion resistance for long-lasting, high-performance components.
FAQs About Custom Bronze CNC Machining Parts
Which Bronze Alloys are Best for CNC Machining?
Common alloys include C932 (leaded tin bronze), C954 (aluminum bronze), C544 (phosphor bronze), and C655 (silicon bronze).Leaded bronze (such as C932 / SAE 660) is best for machining due to excellent machinability, low tool wear, and smooth surface finish. Phosphor bronze also machines well for precision parts.
Is Bronze More Difficult to Machine Than Brass?
Yes. Bronze is generally harder and more abrasive than brass, causing higher tool wear and slower cutting speeds. Brass is one of the easiest copper alloys to machine.
Which is Better for CNC Machining, Brass or Copper?
Brass is best for machining ease and surface finish. Copper offers superior conductivity but is softer and harder to machine. Bronze provides a balance of strength, wear resistance, and machinability.
Is Bronze Easy to Weld?
Some bronzes, such as silicon bronze, are easy to weld. Others, especially leaded bronzes, are difficult to weld and may require specialized welding techniques.
Why is Bronze Difficult to Machine?
Bronze can be challenging due to its toughness, tendency to work-harden, and abrasive alloying elements that increase tool wear.
Does Bronze Turn Green?
Yes. Bronze can develop a green patina (oxidation) over time when exposed to moisture and air. This patina is protective and does not affect structural integrity.
Does Bronze Rust?
No. Bronze does not rust because it contains no iron. It is highly corrosion-resistant, especially in marine environments.
What is the Cost of Custom CNC Machining Bronze Parts?
Costs depend on alloy type, part complexity, tolerance, and volume. Typical pricing ranges from $30–$300 per part for prototypes, with significantly lower unit costs at higher volumes.
Are Bronze CNC Parts Suitable for Electrical or Thermal Applications?
Yes. Bronze offers good conductivity, heat resistance, and wear resistance.
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2024-08-02
The manufacturer is strongly recommended. In the past few years of cooperation we have ordered several machined products from aluminum and stainless steel. These products are manufactured in compliance with tolerance requirements and require product finish. Now I have ordered another one. The service is excellent and any questions can be answered and resolved in time.
2021-05-13
The dimensions are all customized according to my drawings no tolerance issues and the parts are delivered on time. I am very satisfied with it.
2021-04-06
I pay much attention to the surface treatment aspect of this product. I was a little worried about the cooperation at the beginning. I am very satisfied with the product now and hope to cooperate for a long time.
2022-09-22
AN8 Straight PTFE Hose End Fitting for PTFE Fuel Line Fitting Adapter Black Blue Red
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