Electronics
Precision metal enclosures and components for electronics and electrical industries.
Read more
Our CNC Machining Capabilities
We deliver OEM precision CNC machining for custom metal parts, from basic fixtures to complex geometric components. Our in-house workshop provides CNC milling, turning plus optional EDM & grinding secondary finishing.
We machine aluminum, stainless steel, brass, and high-temperature alloys to a standard tolerance of ±0.02 mm. Typical lead times are 3–5 business days for prototypes and 7–12 business days for production orders.
3-Axis and 5-Axis CNC Milling Services
Precision milling for flat, contoured, and cavity features. Supports 3-axis, 3+2-axis indexed, and full 5-axis machining. Suitable for industrial equipment, automation, and electronics.
Learn more about CNC Milling
Precision CNC Turning
High-precision machining for shafts, sleeves, and cylindrical parts using standard CNC lathes and Swiss-type machines, from small batches through mass production.
Learn more about CNC TurningCNC Machining Materials
We work with a wide range of metal materials to meet the specific requirements of your CNC machining projects.
- Aluminum Alloys 5052, 6061-T6, 7075-T6, MIC-6, 2024-T3
- Stainless Steel 303, 304, 316/316L, 416, 17-4 PH
- Carbon and Alloy Steels A36, 4130/4140, Low Carbon Steel
- Copper & Brass C110 ETP Copper, Copper 101, Brass C360, Brass 260, C932 Bearing Bronze
- Specialty Alloys Titanium, Zinc (as needed)
Surface Finishes for CNC-Machined Metal Parts
We offer a variety of surface treatments to enhance the appearance, durability, and performance of your CNC machined parts.
- Powder Coating
- Anodizing
- Sandblasting
- Brushing
- Polishing
- Electroplating
- Passivation
- Painting
CNC Machining Tolerances and Standards
Our CNC machining services adhere to strict tolerances and industry standards to ensure precise, high-quality results for every project.
| Standard Item | CNC Milling | CNC Turning |
|---|---|---|
| Maximum Part Size | 4000×1500×600 mm | 200×500 mm |
| Minimum Part Size | 4×4 mm | 2×2 mm |
| Standard Tolerance | ISO 2768-f | ISO 2768-f |
| Linear Dimension Tolerance | ±0.025 mm | ±0.025 mm |
| Shaft Diameter Tolerance | ±0.025 mm | ±0.025 mm |
| Non-Reamed Hole Diameter Tolerance | ±0.025 mm | ±0.025 mm |
| Lead Time | 5 working days | 5 working days |
Precision CNC-Machined Parts
Showcasing our precision CNC machining capabilities through a selection of high-quality components we've produced for various industries.
Why Choose BW for CNC Machining?
Precision CNC Machining Tolerances
We maintain machining tolerances as tight as ±0.005 in. (0.12 mm) for custom CNC-machined components.
Full 3/3+2/5-Axis CNC Milling Capacity
We produce custom parts with complex geometries using 3-axis, 3+2-axis, and full 5-axis CNC milling.
Diverse Surface-Finishing Options
Multiple finishing options are available for CNC-milled aluminum parts, including as-machined, bead-blasted, and anodized finishes.
Short Lead Times and Fast Delivery
Finished CNC-machined components can be delivered within 2–7 business days, depending on order volume.
Our Ordering Process
Submit CAD Files
Upload your STEP, DXF, or PDF drawings. We’ll check your design for manufacturability.
Confirm Specs
Specify the material, quantity, finish, and required lead time. We will align production with your confirmed requirements.
Get Quotation
Receive a clear, firm quote based on your confirmed project specs. No hidden fees.
Manufacturing
We begin CNC machining according to your drawings and support fast turnaround from prototypes through production.
Quality Control
Strict inspection ensures every part meets your specifications. We don’t ship until it’s right.
Delivery
Specialist industries
We've manufactured millions of parts for all sorts of applications, but we're especially knowledgeable in these areas.
Medical
Precision metal fabrication for medical diagnostic equipment and healthcare devices.
Read more
Automotive
Fast-tracked development for electric vehicles and other automotive innovations.
Read more
Consumer Products
High-volume production of metal parts and enclosures for consumer products with premium finishes.
Read moreFrequently Asked Questions
Find answers to common questions about our CNC machining services.
What is the minimum order quantity for CNC machining?
We accept both small and large orders. For prototype development, we can produce as few as one piece, while for production runs, we can handle high-volume orders efficiently.
How long does it take to complete a CNC machining project?
Lead times depend on the complexity of the project, order quantity, and current workload. For simple projects, we can often deliver within 1-2 weeks, while more complex projects may take 3-4 weeks. We'll provide a specific timeline when we quote your project.
What file formats do you accept for design files?
We accept various CAD file formats, including DXF, DWG, STEP, IGES, and SolidWorks files. If you have questions about specific file formats, please contact us.
Can you help with design optimization for CNC machining?
Yes, our engineering team can review your designs and suggest optimizations to improve manufacturability, reduce costs, and ensure the best possible results for your project.
What quality control measures do you have in place?
We implement strict quality control processes throughout the machining process, including material inspection, in-process inspection, and final inspection. We also offer additional testing services upon request, such as dimensional inspection, material certification, and functional testing.
Get a Quick Quote
Submit your project details for a fast, accurate quote from our engineering team.