
services
Custom CNC Turning Services
Precision CNC turned parts manufactured to your drawings and specifications, from prototypes and low-volume production to repeat and high-volume manufacturing.
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CNC Turning Capabilities
Our CNC turning capabilities cover a wide range of custom turned components, from small precision parts to larger industrial components. Each project is reviewed according to material, geometry, tolerance, quantity and application requirements.
| Items | Performance Parameters |
|---|---|
| Turning Diameter | Max. 550 mm |
| Turning Length | Max. 2200 mm |
| Concentricity / Runout | 0.005-0.008 mm |
| Surface Roughness | Down to Ra 0.2 μm |
| Materials | Aluminum, Stainless Steel, Carbon Steel, Brass, Copper, Titanium, POM |
| Processes | Turning, Threading, Grooving, Drilling, Boring |
CNC Turning Services for Prototypes & Production
Numerical control turning is a high-precision and high-efficiency machining method. It uses computer digital control technology to precisely control the tool’s motion track on the workpiece, to realize the processing of various complex turning parts.
AFI has a professional technical team and operators, that strictly control every link, from purchasing materials to programming, from processing operations to shipping inspection, and strive to achieve perfection. At the same time, we pay attention to communication with customers, according to the specific requirements of customers’ prototype development and customized processing, to provide customers with the best quality products and services.

Precision CNC Turning
Manufacture precision turned components according to your drawings, dimensional requirements and application specifications.

CNC Turning Prototypes
Validate your design with functional prototypes before moving into larger production runs.

Low-Volume Production
Produce small batches of custom turned parts with consistent quality and controlled production costs.

High-Volume Production
Support repeat and high-volume orders with production planning, process control and final inspection.
Custom CNC Turning Materials
AFI company offers its customers products in a wide range of materials. Whether it is necessary to process steel, aluminum, copper and other CNC turning machine metal materials to meet the needs of high strength and durability; Or use plastic, such as nylon, PVC, etc., to achieve lightweight and special performance; Or other special materials with specific requirements, we can rely on advanced technology and professional team, tailor-made for you to meet the quality needs of customers.

Aluminum is light but strong, with excellent machinability and corrosion resistance. Ideal for aerospace and automotive components, including.
- 6070
- 6061
- 6005
- 6151
- 5652
- 5454
- 5254
- 5657
- 6101
- 6063
- 5182
- 5252
- 5086
- 5052
- 5050
- 5154

CNC turning brass is durable and has a low coefficient of friction, making it ideal for manufacturing tools and Musical Instruments.
- C27400
- C28000
- C36000

Copper is known for its excellent conductivity and thermal properties, making it ideal for electrical components and heat exchangers.
- C101(T2)
- C103(T1)
- C103(TU2)
- C110(TU0)
- Beryllium copper

Bronze has strong resistance to corrosion and metal fatigue and is suitable for the manufacture of bearings, bushings and Marine hardware.
- Tin bronze

Steel is an alloy with high tensile strength and high durability and is commonly used in the construction and automotive industries due to its robustness.
- Pig iron
- wrought iron
- steel

Alloy hardness, good heat resistance, corrosion resistance, etc., including.
- steel alloy
- Aluminum alloy
- zinc alloy
- titanium alloy
- nickel alloy
- molybdenum alloy
- titanium alloy
- tungsten alloy
- chromium alloy

Plastic manufacturing costs are low. Durable, waterproof, and lightweight. Easily molded into different shapes. It is a good insulator.
- GPPS
- LDPE
- HDPE
- HIPS
- ABS757
- ABS767
- MBS
- SAN
- PS
- PC
- PVC
- PE
- PP
- PA-6
- PA-66
- POM
- PMMA
- EVA
- PBT
- PET

Stainless steel is known for its corrosion resistance, making it the first choice for medical equipment and food processing equipment.
- SUS201
- SUS 304
- SUS316L
- SUS440C
- SUS303
- SUS316
- SUS420
- SUS430
- AISI 304
- SUS630/17-4PH
- SUS431

CNC turning wood is easy to process, the material is light and strong, and it is a good heat insulation and electrical insulation materialhogany.
- camphor wood
- Chinese fir
- yellow pineapple wood
- Liu An wood
- basswood
- oak
- catalpa wood

There are many kinds of stone that can be used for processing, which are widely used in construction, decoration, engraving and other fields.
- marble
- granite
- limestone
- artificial stone
Custom Surface Treatment
AFI Industrial Co., Ltd. provides surface treatments for custom precision CNC parts. Whether you need anodizing, electroplating, or other surface treatments for your projects, our expertise adds value by meeting the quality requirements of your products.

Anodizing
Enhances corrosion resistance and aesthetic appearance of aluminum components.

Electropolishing
Creates a smooth, clean finish with high corrosion resistance for stainless steel.

Spray
Provides a protective layer and uniform color for enhanced durability.

Brushed
Delivers a refined satin finish while reducing reflectivity and hiding minor scratches.

Sandblasting
Creates a uniform matte texture and prepares surfaces for further finishing.

Polishing
Produces a mirror-like shine and ultra-smooth finish for decorative metal parts.
CNC Turning Parts We Manufacture
Explore examples of custom CNC turned components manufactured according to customer drawings, material specifications, and dimensional requirements.

Precision Stainless Steel Shaft
Material: 316L Stainless Steel
Application: Spindle for HP printers
Dimensions: Length 186 mm | Max OD Φ18 mm
Process: High-Precision CNC Turning
Tolerances:
Length: ±0.02 mm
Diameter: ±0.005 mm
Concentricity: ≤0.01 mm
Surface Finish: Polishing (Ra ≤ 0.4 μm)
Monthly Capacity: 50,000 pcs / month
Precision Aluminum Housing
Material: Aluminum 6061-T6
Application: Hydraulic fittings
Dimensions: Length 65mm | Max OD Φ55 mm | ID Thread M42×1.5
Process: High-Precision CNC Turning & Internal Threading
Tolerances:
Length: ±0.05 mm
Thread / Diameter: ±0.02 mm
Concentricity: ≤0.015 mm
Surface Finish: Clear Anodizing / Fine Turning (Ra ≤ 0.4 μm)
Monthly Capacity: 30,000 pcs / month


Brass Precision Fitting
Material: BrassC36000
Application: Fluid control valves
Dimensions: Length 42 mm | Max OD Φ38 mm
Process: CNC Turning & Knurling
Tolerances:
Length: ±0.05 mm
Diameter: ±0.015 mm
Concentricity: ≤0.01 mm
Surface Finish: Natural Brass Polishing / Passivation(Ra ≤ 0.8 μm)
Monthly Capacity: 40,000 pcs / month
CNC Turning Applications Across Industries
We deliver high-precision CNC turned components tailored for diverse critical industries, ensuring tight tolerances, exceptional surface finishes, and strict quality compliance for every custom part.

Automotive
Precision turned shafts, bushings, fittings, and mechanical components for automotive applications.

Medical
Precision components for medical equipment, instruments, and applications requiring strict dimensional control.

Automation
Custom shafts, pins, couplings and other precision components for industrial automation equipment.

Industrial Equipment
CNC turned components for valves, pumps, machinery, and hydraulic or pneumatic systems.
From Prototype to Production
Equipped with over 100 horizontal and vertical CNC lathes, we deliver high-volume precision manufacturing for custom and standard components alike. Backed by advanced machinery and an experienced engineering team, we guarantee on-time delivery without compromising on strict quality control.
01
DFM Review
Drawing and manufacturability review.
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02
Prototype
Initial sample production.
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03
Production
Controlled CNC manufacturing.
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04
Inspection
Dimensional and quality inspection.
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05
Packaging
Protective export packaging.
INSPECTION AND PACKAGING
We use advanced inspection tools and strict quality control procedures to ensure every part meets your requirements.
CMM Inspection
Dimensional accurocy
FAI Reports
First article inspection
Surface Measurement
Surface roughness
Material
Certification
Traceability

CMM Inspection

Surface Measurement

FAI Reports

Secure Packaging
Why Choose AFI for CNC Turning?
With our services, you will get a trusted supplier. In the coming days, we will continue to improve our professional expertise, expand our credibility, and let you get the following benefits!

Precision Manufacturing
CNC machining focused on dimensional accuracy and repeatability.

Engineering Support
Technical review of drawings and manufacturing requirements before production.

Flexible Production
Prototype, low-volume, and high-volume production capabilities.

Quality Control
Inspection procedures based on customer drawings and critical specifications.

Frequently Asked Questions
1. What information do you need to quote a CNC turned part?
We typically need a 2D drawing or 3D CAD file, material specification, required quantity, dimensional tolerances, surface finish requirements, and any special inspection requirements. Commonly accepted file formats include STEP, STP, IGES, and PDF.
2. Can you manufacture parts according to customer drawings and specifications?
Yes. Parts can be manufactured according to customer-provided drawings, 3D CAD models, and technical specifications. The specified dimensions, tolerances, materials, surface finishes, and other requirements are used as production references.
3. Can you support prototype and repeat production?
Yes. We can produce prototypes, small batches, repeat orders, and larger production quantities. Production quantities and requirements can be specified when the order is placed.
4. How do you ensure consistency across repeat orders?
Repeat orders are produced according to the approved drawings, specifications, and production requirements established for the part. Inspection procedures and key dimensional requirements can also be used as references for subsequent production.
5. What inspection and quality documents can you provide?
Depending on the project requirements, we can provide dimensional inspection reports, material certificates, surface treatment records, first article inspection documentation, and other specified quality records.
6. How long does CNC turning production take?
Lead time depends on part complexity, material availability, quantity, surface treatment, and inspection requirements. The production schedule is confirmed after reviewing the drawings, quantities, and required specifications.
