Custom Laser Engraved Metal Parts & CNC Machining Services

We manufacture custom CNC machined and laser engraved metal parts for branding, identification, decorative, and industrial applications, supporting aluminum, stainless steel, brass, and anodized components. Our combined CNC + laser solution delivers precision parts with permanent, high-contrast marking in one integrated production process.

✅ Permanent, wear-resistant marking

✅ Non-contact, no part deformation

✅ High contrast, fine detail

✅ Fast turnaround from prototype to mass

Laser engraving machine processing metal parts

What Are CNC Laser Engraved Parts?

CNC laser engraved parts combine two complementary manufacturing processes: CNC machining creates the precise 3D geometry of your part, while laser engraving adds permanent, high-contrast markings to the surface. This combined solution delivers fully finished, functional parts with branding, identification, or decorative features in one production workflow.

Process Core Function Impact on Part
CNC Machining Creates part geometry Structural, dimensional shaping of the part
Laser Engraving Adds surface marking Decorative, identification, or branding features

What Types of Laser Engraved CNC Parts Can Be Customized?

Our combined CNC + laser solution supports a wide range of custom parts for different industries, from industrial identification to consumer product branding:

Logo Plates

Custom branded metal plates for product branding

Nameplates

Equipment identification and asset tags

Serial Number Plates

Traceability marking for industrial parts

Control Panels

Precision marking for machine control interfaces

Machine Labels

Warning and specification labels for equipment

Automotive Trim Parts

Decorative and branded automotive components

Examples of laser engraved metal nameplates and tags

How Laser Engraving Works on CNC Machined Parts

Laser engraving uses a focused, high-energy fiber laser beam to modify the surface of your CNC machined part. The laser’s energy vaporizes or changes the color of the material surface, creating a permanent, high-contrast mark without any physical contact with the part. This is far more durable than traditional printing or stickers, as the mark becomes part of the material itself, resistant to wear, chemicals, and high temperatures.

For metal parts, we primarily use fiber lasers (1064nm wavelength), which are perfectly absorbed by most metal materials, delivering crisp, clear marks with minimal heat affected zone. This non-contact process means we can engrave even delicate or thin parts without causing deformation or stress, which is critical for precision CNC components.

Laser Engraving vs CNC Engraving: What’s the Difference?

Both processes can add markings to your parts, but they work in completely different ways. Understanding the differences helps you choose the right solution for your project:

Feature Laser Engraving CNC Engraving
Working Principle Non-contact, heat-based surface modification Contact, mechanical cutting with tools
Best For Fine detail, surface marking, serial numbers Deep engraving, 3D carving, heavy-duty marking
Processing Speed Fast, ideal for high-volume production Slower, requires tool movement
Part Stress Minimal, no mechanical force Can cause stress on thin parts
Minimum Feature Size 0.1mm text, ultra-fine details 0.5mm text, limited by tool size

Materials Suitable for Laser Engraving

We support laser engraving on a wide range of CNC machined metals, each delivering unique marking results:

Material Engraving Result Common Applications
Aluminum (Anodized) High contrast, white mark on colored surface Consumer electronics, nameplates, trim parts
Stainless Steel Dark, durable black oxidation mark Medical parts, industrial equipment, kitchenware
Brass Matte, light contrast decorative mark Decorative accessories, plumbing components
Titanium Colorable, high-temperature resistant mark Aerospace parts, medical implants

Common Design Considerations for Laser Engraving

To get the best engraving results for your CNC parts, our engineering team recommends keeping these design considerations in mind:

Minimum Text Size

We recommend minimum text size of 0.8mm to ensure readability, with line width of at least 0.1mm for fine details.

Heat Affected Zone

We optimize laser parameters to minimize HAZ, typically less than 0.05mm, to avoid discoloration on sensitive materials.

Surface Finish Impact

Polished surfaces may reflect laser energy differently, while anodized aluminum delivers the highest contrast results.

Engraving Depth

Standard engraving depth is 0.02-0.1mm, which is sufficient for most marking needs without affecting part strength.

Goldcattle’s Laser Engraving Capabilities

As a professional custom manufacturer, we have built full in-house capabilities to deliver integrated CNC machining and laser engraving services, with strict quality control to meet global standards:

Advanced Production Equipment

  • 20W-50W fiber laser marking machines for precision metal engraving
  • Integrated CNC + laser production line for one-stop processing
  • Automated part handling system for consistent marking quality
  • Precision vision alignment system to ensure marking position accuracy

Engineering & Technical Expertise

  • Precision marking accuracy down to ±0.01mm for critical parts
  • 10+ years of experience in engraving anodized aluminum and stainless steel
  • Support for serial number, QR code, and variable data marking
  • Flexible capacity: from 1 prototype to 100,000+ mass production units

Global Quality Certifications

  • ISO 9001:2015 Quality Management System
  • ISO 13485:2016 Medical Device Quality Management
  • IATF 16949:2016 Automotive Quality Management
  • RoHS, REACH material compliance for global market access

What Information Do We Need for Your Laser Engraving Quote?

To provide you with an accurate, fast quote for your CNC + laser engraving project, we recommend preparing the following information. This helps us avoid back-and-forth communication and deliver your quote within 24 hours:

3D CAD File

Your part’s 3D model, preferably in STEP or IGES format, for CNC machining.

Engraving Artwork

Your logo, text, or pattern file, preferably in DXF, AI, or vector format.

Material Specification

The material of your part, such as anodized aluminum, stainless steel, etc.

Production Volume

Your expected production quantity, to optimize our process and pricing.

Get Your Free Engraving Review & Quote in 24 Hours

Upload your CAD file and logo today, and our engineering team will review your design for free, point out any potential engraving issues, and send you a formal quote within 1 business day.



Frequently Asked Questions

Can laser engraving wear off?

No. Laser engraving creates a permanent change to the material surface, either by vaporizing a thin layer or changing the material’s color. This mark is resistant to wear, chemicals, and high temperatures, unlike printing or stickers.

What materials can be laser engraved?

We support laser engraving on most metals, including aluminum (especially anodized aluminum), stainless steel, brass, titanium, and copper. We can also engrave on many plastics and other materials.

What’s the difference between laser engraving and CNC engraving?

Laser engraving is a non-contact process that uses heat to modify the surface, ideal for fine details and fast marking. CNC engraving uses a physical cutting tool, which is better for deep engraving but slower and can cause part stress.

Can anodized aluminum be laser engraved?

Yes! Anodized aluminum is one of the best materials for laser engraving. The laser removes the colored anodized layer, revealing the white aluminum underneath, creating a very high-contrast, permanent mark.

How accurate is laser engraving?

Our laser engraving system can achieve positioning accuracy down to ±0.01mm, with minimum text size of 0.8mm, making it suitable for even the most precise marking requirements.

Can you engrave logos and serial numbers?

Absolutely! We can engrave custom logos, text, serial numbers, QR codes, and even variable data for traceability, perfect for product branding and industrial part tracking.

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