Product Details
In the modern manufacturing landscape, precision stainless steel CNC machining parts play a pivotal role across a wide range of industries, from aerospace and automotive to medical devices and industrial equipment. These components, known for their durability, accuracy, and resistance to corrosion, are produced through advanced computer numerical control (CNC) machining processes that ensure exceptional quality and consistency.


What Are Precision Stainless Steel CNC Machining Parts?
Precision stainless steel CNC machining parts refer to components made from stainless steel that have been fabricated using CNC machining techniques to extremely tight tolerances. The term “precision” underscores the level of accuracy involved—often within microns—while “CNC” denotes the automated nature of the machining process, which relies on computer-generated code to control cutting tools and machinery.
Stainless steel, a preferred material in many applications, offers several key benefits:
- Corrosion resistance
- High tensile strength
- Thermal and chemical resistance
- Aesthetic finish
These properties make it ideal for producing parts that must perform reliably under harsh or demanding conditions.
The CNC Machining Process
CNC machining involves subtractive manufacturing processes such as milling, turning, drilling, and grinding. For stainless steel parts, specialized tooling and cutting strategies are employed to handle the material's hardness and reduce wear on machines.
The process typically involves:
- Design & Programming: Engineers use CAD (Computer-Aided Design) software to model the part, followed by CAM (Computer-Aided Manufacturing) software to generate the G-code that drives the CNC machine.
- Material Selection: Choosing the right grade of stainless steel (e.g., 303, 304, 316, or 17-4PH) based on the part's function and environment.
- Machining: High-precision CNC machines carve out the component from a stainless steel block or bar stock.
- Finishing: Processes such as deburring, polishing, or passivation may follow to enhance the surface quality and performance.
Applications Across Industries
Because of their resilience and exacting tolerances, precision stainless steel CNC machining parts are used in:
- Medical devices: Surgical instruments, orthopedic implants, and diagnostic equipment.
- Aerospace: Engine components, structural elements, and fasteners.
- Automotive: Fuel system parts, turbochargers, and braking systems.
- Industrial Equipment: Pumps, valves, and high-pressure fittings.
Each application demands parts that not only meet performance standards but also conform to strict regulatory and safety requirements.
Benefits of CNC Machining for Stainless Steel Parts
- Unmatched Precision: Capable of achieving tolerances within ±0.001 inches or better.
- Repeatability: Ideal for both prototyping and full-scale production runs.
- Efficiency: CNC automation minimizes human error and speeds up production.
- Scalability: From one-off custom parts to thousands of units, the process scales easily.
- Customizability: Complex geometries and intricate details can be produced without costly tooling changes.
| 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.
Company Profile

We are CNC Machining manufacturer, customized high precision parts,
Tolerance: +/-0.01 mm, Special area: +/-0.002 mm.
Certificate
ISO9001:2015,AS9100D,ISO13485:2016,ISO45001:2018,IATF16949:2016,ISO14001:2015,ROSH,CE
etc.
We can produce mechanical parts, automobile parts, electronic
parts, aerospace parts, medical device parts, communication
equipment parts, new energy parts, construction and household
products parts.
Cooperative Partner
