
services
Custom CNC Turning Services for Precision Metal Parts
Precision CNC-turned parts manufactured to your drawings and specifications, from prototypes and low-volume production to repeat and high-volume manufacturing.
Upload 3D CAD/STEP File for Fast QuoteISO 9001 Quality System |Precision Machining | Prototype to Production |Quality Inspection | Global B2B Supply
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.
| Parameter Type | Parameter | Capabilities |
|---|---|---|
| Core Machining Dimensions & Precision | Turning Diameter | Max. 550 mm |
| Turning Length | Max. 2200 mm | |
| Tolerance Range | ±0.005 mm (Precision Custom Tolerance) | |
| Surface Roughness | Down to Ra 0.2 µm | |
| Concentricity | 0.005–0.008 mm | |
| Turning Equipment & Technical Specifications | Machine Type | Precision CNC Lathes, Swiss-type CNC Lathes, Turn-Mill Centers |
| Number of Axes & Simultaneous Capability | 3-Axis, 4-Axis, 5-Axis (Simultaneous Turning & Milling) | |
| Core Equipment Performance | High-Rigidity Spindle, Sub-Spindle Machining, Live Tooling | |
| Quality Control & Inspection Standards | Key Inspection Equipment | CMM (Coordinate Measuring Machine), Optical Profilometer, Roughness Tester, Micrometer |
| Quality Management Certification | ISO 9001:2015 Certified | |
| QC Documentation Delivery | Full Dimension Inspection Report, Material Test Report (MTR), CoC (Certificate of Conformity) | |
| Secondary Processing & Production Configuration | Post-Processing / Surface Finishing | Anodizing, Plating, Passivation, Powder Coating, Heat Treatment, Polishing |
| Production Flexibility | Rapid Prototyping, Low to High-Volume Mass Production |
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 who 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.
Materials for CNC Turning
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 a professional team, tailor-made for you to meet the quality needs of customers.

- UNS A97050 / EN AW-7050 / JIS A7050
- UNS A91050 / EN AW-1050A / JIS A1050
- UNS A93003 / EN AW-3003 / JIS A3003
- UNS A98011 / EN AW-8011 / JIS A8011
- UNS A03560 / EN AC-42100 / JIS AC4C
- UNS A96061 / EN AW-6061 / JIS A6061
- UNS A96063 / EN AW-6063 / JIS A6063
- UNS A95052 / EN AW-5052 / JIS A5052
- UNS A95083 / EN AW-5083 / JIS A5083

- UNS S30400 / EN 1.4301 / JIS SUS304
- UNS S30403 / EN 1.4307 / JIS SUS304L
- UNS S31600 / EN 1.4401 / JIS SUS316
- UNS S31603 / EN 1.4404 / JIS SUS316L
- UNS S32100 / EN 1.4541 / JIS SUS321
- UNS S31008 / EN 1.4845 / JIS SUS310S
- UNS S41000 / EN 1.4006 / JIS SUS410
- UNS S43000 / EN 1.4016 / JIS SUS430
- UNS S32205 / EN 1.4462 / JIS SUS329J3L
- UNS S17400 / EN 1.4542 / JIS SUS630

- UNS G10180 / EN 1.0401 / JIS S20C
- UNS G10450 / EN 1.0503 / JIS S45C
- UNS K03006 / EN 1.0038 / JIS SS400
- UNS K02702 / EN 1.0577 / JIS SM490
- UNS G51400 / EN 1.7035 / JIS SCr440
- UNS G10100 / EN 1.0301 / JIS S10C
- UNS G10950 / EN 1.1274 / JIS SK5
- UNS G41400 / EN 1.7225 / JIS SCM440
- UNS G43400 / EN 1.6565 / JIS SNCM439
- UNS G61500 / EN 1.8159 / JIS SUP10

- UNS T30402 / EN 1.2379 / JIS SKD11
- UNS T20811 / EN 1.2344 / JIS SKD61
- UNS T51620 / EN 1.2311 / JIS P20
- UNS T51620 / EN 1.2312 / JIS PX4
- UNS T11302 / EN 1.3343 / JIS SKH51
- UNS T30102 / EN 1.2510 / JIS SKS3
- UNS T30403 / EN 1.2363 / JIS SKD12
- UNS G41400 / EN 1.7225 / JIS SCM440
- UNS G43400 / EN 1.6565 / JIS SNCM439
- UNS T41905 / EN 1.2357 / AISI S7

- UNS C36000 / EN CW614N / JIS C3604
- UNS C26000 / EN CW505L / JIS C2600
- UNS C11000 / EN CW004A / JIS C1100
- UNS C10200 / EN CW008A / JIS C1020
- UNS C54400 / EN CW453K / JIS C5440
- UNS C95400 / EN CC333G / JIS CAC702
- UNS C17200 / EN CW101C / JIS C1720
- UNS C28000 / EN CW509L / JIS C2800
- UNS C70600 / EN CW352H / JIS C7060
- UNS C14500 / EN CW118C / JIS C1450

- UNS R56400 / EN 3.7165 / JIS Ti64
- UNS R56401 / EN 3.7165 / JIS Ti64ELI
- UNS R50400 / EN 3.7035 / JIS TTP40
- UNS R50250 / EN 3.7025 / JIS TTP28
- UNS R52400 / EN 3.7235 / JIS Ti-Pd
- UNS R56320 / EN 3.7195 / JIS Ti325
- UNS R58640 / EN 3.7105 / JIS Ti1023
- UNS R54620 / EN 3.7145 / JIS Ti6242
- UNS R56210 / EN 3.7145 / JIS Ti6246
- UNS R50550 / EN 3.7055 / JIS TTP48

- UNS N07718 / EN 2.4668 / JIS NCF718
- UNS N06600 / EN 2.4816 / JIS NCF600
- UNS N08825 / EN 2.4858 / JIS NCF825
- UNS N06022 / EN 2.4602 / JIS NW0022
- UNS N07001 / EN 2.4654 / JIS Waspaloy
- UNS N06625 / EN 2.4856 / JIS NCF625
- UNS K66286 / EN 1.4980 / JIS SUH660
- UNS N10276 / EN 2.4819 / JIS NW0276
- UNS R30006 / EN 2.4778 / JIS Stellite 6
- UNS R30188 / EN 2.4683 / JIS Haynes 188

- UNS M11916 / EN EN-MB21190 / JIS MC2B
- UNS M11611 / EN EN-MB21160 / JIS MC6
- UNS M11510 / EN EN-MB21150 / JIS MC5
- UNS M16600 / EN EN-MB35100 / JIS ZK60
- UNS M11311 / EN EN-MB21120 / JIS AZ31
- UNS M11630 / EN EN-MB21140 / JIS AZ61
- UNS M11800 / EN EN-MB21180 / JIS AZ80
- UNS M10101 / EN EN-MB35110 / JIS WE43
- UNS M10102 / EN EN-MB35120 / JIS WE54
- UNS M13210 / EN EN-MB21210 / JIS AS41

- PE-HD
- PE-LD
- PVDF
- PP-H
- PEEK
- PTFE
- PPS
- PI
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 your product’s quality requirements.

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.
→
→
02
Prototype
Initial sample production.
→
→
03
Production
Controlled CNC manufacturing.
→
→
04
Inspection
Dimensional and quality inspection.
→
→
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 accuracy
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.
How to Start Your Order
Your satisfaction and trust are our eternal pursuits. Let us work together to create excellent quality and service, and witness every moment of success.

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.
