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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

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Product Details

Product Description

Ratings & Reviews

Highlight: 
                                                                                                                                                                                                                                                                                                                                                                                                            Custom CNC Machined Parts, High Precision CNC Turning Parts, 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.

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

2 stars

1 stars

All Reviews

Smith Johnson

Tuvalu Nov 12.2025

Helpful (3)

The stainless steel cnc machining parts showed uniform machining marks and the threads matched perfectly with my test fixtures.

Reyes Morris

Canada May 22.2024

Helpful (10)

Among the top CNC machining manufacturers I’ve tried, this one stands out for consistent tolerances and clear communication.

Thomas Moore

United States Jan 15.2023

Helpful (30)

I’ve used these cnc machined brackets OEM on several assemblies, and they’ve given me steady, reliable alignment without extra adjustments.

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

Custom CNC Machined Parts

High Precision CNC Turning Parts

Corrosion Resistant Precision Stainless Steel Parts

Overall Rating

Rating Snapshot

All Reviews

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OEM CNC Turning Parts,

CNC Turning Parts

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