Stainless Steel CNC Machining
Custom stainless steel CNC machining services for prototypes, OEM components, and production parts. Dakings Rapid delivers high-precision stainless steel parts with excellent strength, corrosion resistance, and dimensional accuracy through advanced CNC milling, CNC turning, and finishing solutions.
Premium Stainless Steel Materials for Every Application
We machine a wide range of stainless steel grades to support custom manufacturing requirements across aerospace, medical, automotive, robotics, industrial equipment, and other demanding applications.
304 Stainless Steel
The most widely used stainless steel grade for CNC machining and fabrication. Offers excellent corrosion resistance, weldability, and formability for custom parts and general-purpose components.
316/316L Stainless Steel
Provides superior corrosion resistance in marine, chemical, and harsh operating environments. Ideal for precision stainless steel parts requiring long-term durability and reliability.
303 Stainless Steel
Optimized for stainless steel CNC machining with improved machinability. Commonly used for high-volume machined parts, fittings, fasteners, and precision components.
17-4 PH Stainless Steel
A high-strength precipitation-hardening stainless steel offering excellent mechanical performance and corrosion resistance. Suitable for aerospace, medical, and OEM industrial components.
410 Stainless Steel
Heat-treatable stainless steel with excellent wear resistance and strength. Frequently used for custom parts requiring durability and moderate corrosion protection.
Duplex 2205 Stainless Steel
Combines exceptional strength with outstanding corrosion resistance. Commonly selected for oil & gas, chemical processing, and demanding industrial applications.
Need Help Specifying Tolerances?
Our engineering team can review your CAD files and recommend the most cost-effective tolerance strategy for your stainless steel CNC machining project. Get expert feedback before production and receive a fast online quote with DFM support.
Request Free DfM ReviewStainless Steel CNC Parts Across Industries
Custom stainless steel machining solutions designed to meet the performance, quality, and compliance requirements of diverse industries.
Aerospace & Defense
High-precision stainless steel CNC machining for structural components, housings, and aeronautical parts. We support demanding applications that require consistent quality and reliable performance.
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Medical Devices
Custom stainless steel components for surgical instruments, diagnostic equipment, and medical systems. Full material traceability and inspection documentation are available.
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Food & Beverage
Precision stainless steel parts manufactured for sanitary processing equipment. Electropolishing and specialized finishing options help improve cleanliness, corrosion resistance, and product longevity.
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Oil & Gas
Corrosion-resistant machined parts and custom components engineered for harsh operating environments. Suitable for valves, fittings, pumps, and drilling equipment.
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Automotive
OEM stainless steel components manufactured to support demanding automotive applications. High-precision machining ensures consistent quality across prototype and production volumes.
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Robotics & Automation
Precision stainless steel parts for robotic systems, automation equipment, actuators, and motion-control assemblies. Tight tolerances support reliable performance in advanced manufacturing environments.
Materials Used:Precision Stainless Steel Machining Capabilities
Advanced manufacturing technologies enable us to produce custom stainless steel parts with tight tolerances, complex geometries, and consistent quality from prototype to production.
5-Axis CNC Milling
Our 5-axis CNC milling services produce complex stainless steel components with fewer setups and greater accuracy. Ideal for high-precision parts requiring intricate features, undercuts, and superior surface quality.
CNC Turning & Swiss Screw Machining
High-precision CNC turning solutions for shafts, fittings, connectors, and cylindrical components. Swiss machining technology delivers exceptional concentricity and repeatability for small, complex stainless steel parts.
Wire EDM & Sinker EDM
EDM machining enables intricate geometries and extremely tight tolerances in hardened stainless steel materials. Commonly used for tooling, aerospace components, and precision manufacturing applications.
Surface Finishing
Comprehensive finishing services for production-ready stainless steel parts, including passivation, electropolishing, bead blasting, polishing, and deburring. Surface treatments improve appearance, corrosion resistance, and functional performance.
CMM Inspection
Advanced CMM inspection systems verify dimensional accuracy throughout production. First Article Inspection (FAI), PPAP documentation, and detailed quality reports are available for OEM and regulated industry requirements.
Tolerance Capabilities
| FEATURE TYPE | STANDARD | PRECISION |
|---|---|---|
| Linear Dimensions | ±0.005" | ±0.0005" |
| Hole Diameters | ±0.002" | ±0.0002" |
| Surface Finish (Ra) | 63 μin | 8 μin |
| Flatness | 0.002"/in | 0.0005"/in |
| Concentricity | 0.002" TIR | 0.0005" TIR |
| Thread Class | 2A/2B | 3A/3B |
Surface Finish Reference Chart
| Visual | RA (MM) | RA (MIN) | N Grade | Finish Type | Typical Process |
|---|---|---|---|---|---|
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0.1 | 4 | N3 | Mirror Polish |
Lapping
Superfinishing
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0.2 | 8 | N4 | Fine Polish |
Fine Grinding
Polishing
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0.4 | 16 | N5 | Smooth |
Precision Grinding
Honing
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0.8 | 32 | N6 | Fine |
Fine Milling
Grinding
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1.6 | 63 | N7 | Medium (Standard) |
Standard CNC Milling
Turning
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3.2 | 125 | N8 | As-Machined |
Standard Milling
Rough Turning
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6.3 | 250 | N9 | Rough |
Heavy Milling
Sawing
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12.5 | 500 | N10 | Very Rough |
Rough Machining
Sand Casting
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Conversion Formulas (Industry Standard)
Custom Stainless steel parts
Our stainless steel CNC machining services support custom prototypes, low-volume production, and mass manufacturing projects. We produce precision stainless steel parts for OEM manufacturers across robotics, industrial automation, medical devices, machinery, energy, automotive, and construction industries.
With advanced CNC milling, CNC turning, and finishing capabilities, we deliver machining solutions tailored to your design requirements, material specifications, and performance goals. Simply upload your CAD files to receive engineering support and a fast online quote.
Stainless steel CNC machining services
Dakings Rapid provides comprehensive stainless steel CNC machining services for customers requiring high-strength, corrosion-resistant, and dimensionally accurate components. From prototype development to full-scale production, we manufacture custom stainless steel parts that meet demanding industry standards.
Our capabilities include CNC milling, CNC turning, precision drilling, threading, surface finishing, and secondary fabrication operations. We support a wide range of stainless steel grades and can produce everything from simple machined parts to highly complex geometries with tight tolerances.
As a China-based CNC machining supplier, we help global manufacturers reduce lead times while maintaining consistent quality, competitive pricing, and reliable delivery. Whether you need prototype quantities or ongoing OEM production, our engineering team provides practical manufacturing solutions for every stage of your project.
Stainless Steel CNC Machining FAQs
Upload your CAD files to receive a fast online quote. Our engineering team reviews each project and recommends the most cost-effective manufacturing solution based on your design requirements.
This process is widely used for OEM components, industrial equipment, medical devices, robotics, automotive systems, and aeronautical parts.
Our engineers can help you select the best stainless steel grade based on strength, corrosion resistance, machinability, operating environment, and budget requirements.
- 303 Stainless Steel offers excellent machinability and is ideal for high-volume machined parts.
- 304 Stainless Steel provides a balance of corrosion resistance, strength, and cost.
- 316 Stainless Steel is preferred for marine, chemical, and medical environments.
- 17-4 PH Stainless Steel is often selected for high-strength aerospace and industrial components.
Available secondary manufacturing processes include laser cutting, welding, bending, roll forming, assembly, and other custom fabrication operations. These services help customers consolidate multiple manufacturing requirements with a single supplier.
These fabrication methods are commonly used for brackets, enclosures, panels, frames, and custom sheet metal components. Our engineering team can evaluate your design and recommend the most efficient manufacturing approach.
- Available finishing options include:
- Grinding
- Polishing
- Passivation
- Electropolishing
- Bead Blasting
- Brushing
- Deburring
In addition to stainless steel CNC machining, Dakings Rapid offers sheet metal processing services such as laser cutting, welding, bending, and roll forming, as well as industrial 3D printing for rapid prototyping and low-volume production. Combining these capabilities allows us to provide complete manufacturing solutions from prototype to production.