Precision Custom CNC Machining Stainless Steel Auto Polishing Component CNC Milling Round Parts
ODM
Precision CNC milling for round parts delivers high-accuracy cylindrical components with tight tolerances, ideal for industrial equipment and power transmission systems. Request a quote today.
minimum order
1 piece
Quantity
$0.50 - $2.50 / piece
Precision CNC milling for round parts delivers high-accuracy cylindrical components with tight tolerances, ideal for industrial equipment and power transmission systems. Request a quote today.
| Key Attributes | |
| Machining Capabilities | CNC Machining Processes:Broaching, Drilling, Etching/Chemical Machining, Laser Machining, Milling, Turning, Wire EDM, Rapid Prototyping |
| Materials Supported | Aluminum, Brass, Bronze, Copper, Hardened Metals, Stainless Steel, Steel Alloys, Plastic |
| Micro-Machining or Not | Micro Machining |
| Key Processes | CNC Milling, Turning, Drilling |
| Tolerance Standards | Industry-standard precision |
| Surface Treatments | Anodizing, Plasting, Polishing, etc. |
| Applications | Control Systems, Automotive Components |
| Place of Origin | Guangdong, China |
| Model Number | CUSTOM |
| Service Type | Customized OEM/ODM Manufacturing |
| Drawing Formats | PDF, CAD, IGES, STEP |
| Delivery Time | 7-30 Days |
| MOQ | 10 pcs |
· Product Overview
This comprehensive assortment of precision CNC-machined components is engineered from 304 and 316 stainless steel—industrial-grade materials renowned for exceptional corrosion resistance, high tensile strength, and food-safe compliance. The collection features diverse geometries, including threaded adapters, flanged mounts, cylindrical sleeves, stepped shafts, and custom fittings, all CNC-machined to ultra-tight tolerances. Designed for seamless integration into high-performance systems, these parts deliver reliable, long-lasting performance in applications where precision, durability, and corrosion resistance are critical.
· Core Specifications
Materials & Performance
| Material | Key Properties |
|---|---|
| 304 Stainless Steel | Food-safe (FDA compliant), corrosion-resistant (72-hour salt spray pass), tensile strength ≥515 MPa |
| 316 Stainless Steel | Enhanced corrosion resistance (ideal for marine/chemical environments), tensile strength ≥550 MPa |
Manufacturing Standards
- Certification: ISO 9001-Certified
- Key Processes: 3/5-Axis CNC Milling/Turning → Precision Tapping/Drilling → Surface Passivation → Deburring → CMM Inspection
- Critical Parameters:
- Dimensional Tolerance: ±0.01–0.02mm (ensures precise mating between components)
- Surface Finish: Passivated polished (scratch-resistant, rust-proof, and smooth for low-wear operation)
- Custom Features: Threads (Metric/Imperial), complex geometries, and precision bores supported
· Application Scenarios
These precision stainless steel components serve a wide range of industries and use cases:
- Industrial Automation: Robot arm structural components, conveyor system drive shafts, and sensor mounting adapters.
- Medical & Laboratory Equipment: Diagnostic instrument fittings, surgical robotics parts, and sample handling components (compliant with hygiene standards).
- Food & Beverage Processing: Sanitary conveyor components, packaging machine fittings, and fluid transfer adapters (FDA-compliant).
- Aerospace & Defense: Lightweight actuation components, precision guidance parts, and fluid system adapters.
- Marine & Offshore: Corrosion-resistant fluid system adapters and structural components for harsh saltwater environments.
- 3D Printing & CNC Machinery: Extruder components, linear system adapters, and tool changer fittings.
· Production Process Introduction
- Design & Engineering: Convert your 3D CAD/STEP files into optimized CNC toolpaths, with engineering validation for load capacity and tolerance stack-up.
- Material Sourcing: Procure certified 304/316 stainless steel round bars (traceable to quality standards) and cut to blank sizes.
- CNC Machining: Use 3/5-axis CNC mills and lathes to produce complex geometries, threads, and precision features in a single setup for maximum accuracy.
- Surface Passivation: Apply a chemical passivation treatment to enhance corrosion resistance and surface durability.
- Deburring & Cleaning: Remove sharp edges and contaminants to ensure safe handling and seamless assembly.
- Quality Inspection: Perform CMM dimensional scanning, thread fit testing, and surface finish analysis to verify compliance with design specifications.
· Packaging and Shipping Methods
- Packaging:
- Individual Components: Wrapped in anti-scratch foam padding, sealed in moisture-proof plastic bags, and labeled with part numbers for traceability.
- Bulk Orders: Secured in foam-lined wooden crates with additional bracing to prevent deformation during transit.
- Shipping Options:
- Express Delivery (DHL/FedEx): 3–5 business days for prototype or small-quantity orders.
- Air Freight: 7–10 business days for medium-batch production runs.
- Sea Freight: 20–25 business days for large-volume bulk orders.All shipments include full tracking and damage insurance.
· Process

· Frequently Asked Questions (FAQ)
- MOQ (Minimum Order Quantity): 50 pieces for small, complex components; 200 pieces for high-volume standard parts. Prototype batches (1–10 pieces) are also available for design validation.
- Lead Time: 7–15 working days (varies by part complexity and volume). Expedited production (5–7 days) is available for urgent orders (additional fees apply).
- Customization Capability: Full end-to-end customization is supported—we accept 3D CAD files, adjust material grades, modify geometries, refine tolerances, and offer custom surface finishes. Our engineering team provides design feedback to optimize for manufacturability and performance.
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