
Product Description:
In the automotive industry, the demand for high-performance, durable, and lightweight parts has never been greater. As manufacturers face increasing pressure to produce components that are both cost-effective and of superior quality, CNC machining has become a vital solution. For composite automotive parts, especially those requiring enhanced corrosion resistance and aesthetic appeal, black oxide turning and milling offer the ideal combination of precision and functionality. we specialize in CNC machining black oxide turning and milling composite automotive parts, delivering parts that meet the exact specifications of today’s most demanding automotive
What is CNC Machining Black Oxide Turning and Milling for Composite Automotive Parts?
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Black Oxide Coating: Black oxide is a chemical conversion coating used to improve the corrosion resistance, wear resistance, and aesthetic appearance of metal parts. For composite automotive parts, applying a black oxide finish not only enhances the part’s resistance to environmental factors but also gives it a sleek, uniform look.
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Turning and Milling: Turning and milling are key components of CNC machining. CNC turning involves rotating the workpiece while a cutting tool is applied to remove material, typically used for cylindrical parts like shafts, bushings, and pins. CNC milling involves using a rotating tool to remove material from a stationary part, ideal for producing complex shapes, holes, slots, and other features.
When applied to composite automotive parts, these processes ensure that parts are manufactured with extreme precision, fit within the tightest tolerances, and exhibit enhanced durability thanks to the black oxide coating.
Applications of CNC Machining Black Oxide Turning and Milling Composite Automotive Parts:
- Engine Components: Custom CNC-machined parts for engines, such as brackets, housings, and valve covers, which benefit from the combination of precise machining and black oxide coating for added corrosion resistance.
- Transmission and Drivetrain Parts: Precision parts for transmissions, gears, and drive shafts that require high durability and wear resistance, as well as a uniform, aesthetic finish.
- Suspension Components: CNC-machined suspension parts, such as shock absorber mounts and control arms, made from composite materials for reduced weight and high strength, finished with black oxide for protection.
- Brake System Parts: Brackets, calipers, and rotors that are precision-machined for perfect fitment and then treated with black oxide to enhance corrosion resistance, particularly in high-performance or heavy-duty applications.
- Custom Automotive Accessories: Specialty automotive accessories such as custom fittings, covers, and brackets that are machined from composite materials for lightweight strength and coated with black oxide for added protection and a sleek look.
Conclusion
CNC machining black oxide turning and milling composite automotive parts is the key to producing high-performance, durable, and lightweight components for the automotive industry. Whether you need custom engine parts, suspension components, or specialized accessories, our CNC machining services provide precision, cost-efficiency, and a sleek, protective black oxide finish.

| CNC Turning, CNC Milling, Laser Cutting, Bending, Spining, Wire Cutting, Stamping, Electric Discharge Machining (EDM), Injection Molding,3D Printing,Rapid Prototype,Moulds etc. |
| Aluminum: 2000 series, 6000 series, 7075, 5052, etc. |
Stainlesss steel: SUS303, SUS304, SS316, SS316L, 17-4PH, etc. |
Steel: 1214L/1215/1045/4140/SCM440/40CrMo, etc. |
Brass: 260, C360, H59, H60, H62, H63, H65, H68, H70, Bronze, Copper |
Titanium: Grade F1-F5 |
Plastic: Acetal/POM/PA/Nylon/PC/PMMA/PVC/PU/Acrylic/ABS/PTFE/PEEK etc. |
| Anodized, Bead Blasted, Silk Screen, PVD Plating, Zinc/Nickl/Chrome/Titanium Plating, Brushing, Painting, Powder Coated, Passivation, Electrophoresis, Electro Polishing, Knurl, Laser/Etch/Engrave etc. |
| ±0.002 ~ ±0.005mm |
| Min Ra 0.1~3.2 |
CERTIFICATE | ISO9001:2015,AS9100D,ISO13485:2016,ISO45001:2018,IATF16949:2016,ISO14001:2015,ROSH,CE etc. |




FAQ
1. Are you a manufacturer or a trading company?
We are a factory located in Shenzhen, China, with 20 years of rich experience,
covering 6000 square meters. Complete facilities, including 3D quality inspection equipment, ERP system and 40 machines. If necessary, we can provide you with material certificates, sample quality inspection and other reports.
2. How to get a quote?
Detailed drawings (PDF/STEP/IGS/DWG...), including quality, delivery date, materials, quality, quantity, surface treatment and other information.
3. Can I get a quotation without drawings?
Can your engineering team draw for my creativity? Of course, we are also glad to receive your samples, pictures or detailed size drafts for accurate quotation.
4. Can you provide samples before mass production?
Of course, the sample fee is necessary. If possible, it will be returned during mass production.
5. What is the delivery date?
Generally, the sample lasts for 1-2 weeks and the batch production lasts for 3-4 weeks.
6. How do you control quality?
(1) Material Inspection - Check material surfaces and approximate dimensions.
(2) First inspection of production - ensure
critical dimensions in mass production.
(3) Sampling inspection - check the quality before delivery to the warehouse.
(4) Preshipment inspection - 100% inspection by QC assistant before shipment.
7. After sales service team
If you have any problems after receiving the product, you can provide feedback through voice call, video conference, email, etc. within one month. Our team will provide you with solutions within a week.