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Home > Products > CNC Turning Parts > Custom High Precision Corrosion Resistant CNC Machined Parts and CNC Turning Parts

Custom High Precision Corrosion Resistant CNC Machined Parts and CNC Turning Parts

Product Details

Place of Origin: China

Brand Name: PFT

Certification: ISO9001:2015,AS9100D,ISO13485:2016,ISO45001:2018,IATF16949:2016,ISO14001:2015,RoSH,CE etc.

Payment & Shipping Terms

Minimum Order Quantity: 1pcs

Price: $0.15-2.99

Delivery Time: 5-15 day

Payment Terms: L/C,D/A,D/P,T/T,Western Union

Get Best Price
Highlight:

Custom CNC Machined Parts

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High Precision CNC Turning Parts

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Corrosion Resistant Precision Stainless Steel Parts

Factory Visit:
Welcome Anytime
Type Of Machining:
Precision CNC TURNING CNC LATHING
Application:
Automotive, Aerospace, Medical, Electronics
Keyword:
Cnc Machining Stainless Steel Parts
Surface Finishing:
Anodizing, Plating, Polishing, Etc
Odm:
We Supply ODM Service
Colour:
Silver, Black ,gold,grey Etc
High Precision:
+/-0.005mm Tolerance
Shipment:
DHL, UPS, FedEx Or As Your Request
Test Equipment:
Japan Keyence IM7000
Quality Control:
100% Inspection
Trademark:
BY
Oem:
Available,Offered,Accept
Service:
OEM ODM,OEM/ODM
Equipment:
CNC Turning Machine
Factory Visit:
Welcome Anytime
Type Of Machining:
Precision CNC TURNING CNC LATHING
Application:
Automotive, Aerospace, Medical, Electronics
Keyword:
Cnc Machining Stainless Steel Parts
Surface Finishing:
Anodizing, Plating, Polishing, Etc
Odm:
We Supply ODM Service
Colour:
Silver, Black ,gold,grey Etc
High Precision:
+/-0.005mm Tolerance
Shipment:
DHL, UPS, FedEx Or As Your Request
Test Equipment:
Japan Keyence IM7000
Quality Control:
100% Inspection
Trademark:
BY
Oem:
Available,Offered,Accept
Service:
OEM ODM,OEM/ODM
Equipment:
CNC Turning Machine
Custom High Precision Corrosion Resistant CNC Machined Parts and CNC Turning Parts
CNC Machined Custom Precision Stainless Steel Parts
Product Overview

Custom precision stainless steel parts are CNC machined or turned components manufactured from stainless steel grades including 303, 304, 316, or 17-4PH. These parts are widely utilized across multiple industries:

  • Medical devices
  • Food processing equipment
  • Automotive systems
  • Industrial machinery

Key advantage: Excellent corrosion resistance combined with dimensional stability under tight tolerances.

Real Machining Case Study

Project: Food-grade valve component

Material: SUS316

Process: CNC turning + milling + polishing

Challenges
  • Surface roughness requirement: Ra ≤ 0.8 μm
  • Tight tolerance: ±0.01 mm
Solution
  • Reduced cutting speed by 18%
  • Used carbide tools with TiAlN coating
  • Applied multi-stage polishing
Results
  • Surface finish improved from Ra 1.6 to 0.6 μm
  • Scrap rate reduced by 27%
  • Delivery stability improved (on-time rate 98%)

Technical Insight: Stainless steel is prone to work hardening—tool selection and cutting strategy are critical for successful machining.

Custom High Precision Corrosion Resistant CNC Machined Parts and CNC Turning Parts 0
Stainless Steel Grade Selection Guide
Grade Best For Key Feature
303 High-speed machining Easy to machine
304 General industrial use Balanced performance
316 Marine / food / medical Superior corrosion resistance
17-4PH Aerospace / high strength parts Heat-treatable, high strength

Buyer Tip: If your part is exposed to chemicals or moisture, 316 stainless steel is often worth the extra cost.

Step-by-Step Selection Process
1. Define Tolerance Requirements
  • Standard CNC: ±0.05 mm
  • Precision parts: ±0.01 mm or tighter

Common Issue: Over-specifying tolerance increases cost by 20-50% unnecessarily.

2. Surface Finish Requirements
Finish Type Roughness (Ra) Application
As-machined 1.6-3.2 μm Internal components
Fine machining 0.8-1.6 μm General visible parts
Polishing ≤0.8 μm Medical / food-grade
3. Processing Capabilities to Verify

Before choosing a supplier, confirm they offer:

  • 3/4/5-axis CNC machining
  • CNC turning (for shafts & round parts)
  • Surface treatment (polishing, passivation)
  • Inspection equipment (CMM, projector)

Real Issue: 40% of quality disputes come from insufficient inspection capability, not machining errors.

4. Heat Treatment & Post-Processing
  • Solution annealing (for corrosion resistance)
  • Passivation (removes free iron)
  • Electropolishing (ultra-smooth surface)

Pain Point Solved: Rust spots on stainless parts are often due to missing passivation, not poor material quality.

Material Comparison: Stainless Steel vs Aluminum
Factor Stainless Steel Aluminum
Strength Higher Medium
Corrosion Resistance Excellent Good
Machinability Lower High
Cost Higher Lower

Conclusion: Choose stainless steel for durability and corrosion resistance, aluminum for lightweight applications and cost efficiency.

Buyer Checklist

Before placing an order, request the following documentation:

  • Material certificate (Mill Test Report)
  • Dimensional inspection report
  • Surface roughness data
  • Real application case or samples
  • Production photos or videos

Overall Rating

4.7
Based on 50 reviews for this supplier

Rating Snapshot

The following is the distribution of all ratings
5 stars
67%
4 stars
33%
3 stars
0%
2 stars
0%
1 stars
0%

All Reviews

V
Violet Ross
Germany Nov 29.2025
With this precision cnc machining service, I get parts that fit my assemblies smoothly, and the dimensional repeatability feels reliable.
E
Eleanor Roberts
Canada Sep 20.2025
This rapid cnc machining service helped me shorten my development cycle; the parts arrived clean and accurate enough for functional testing.
I
Isabella Sanders
Benin May 1.2025
Their high volume cnc machining services handled my large order steadily, and the consistency across hundreds of pieces gave me confidence.