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CNC Machining Aluminum Heatsink

CNC Machining Aluminum Heatsink

  • High-Precision CNC Machining: Manufactured using advanced CNC machines-including multi-axis milling-for tight tolerances, complex geometries, and superior dimensional accuracy
  • Reliable Thermal Performance: Tailored aluminum heat sink solutions optimized for efficient heat dissipation in LED, electronics, and industrial applications
  • Premium Aluminum Alloys: Crafted from high-quality aluminum materials (e.g., 6063, 6060), ensuring effective thermal conduction and structural reliability
  • Versatile Surface Finishes: Offers a variety of treatments including anodizing, powder coating, electrophoresis, bead blasting, plating, chroming, nickel plating, and more-enhancing both durability and aesthetics
  • One-Stop Manufacturing Workflow: Integrates extrusion, CNC machining, and surface treatment in a streamlined process to deliver fully processed heat sink components
  • Industrial-Scale Capacity & OEM Capabilities: Equipped with 18+ CNC machines, digital drilling, profile centers, and more to support custom production needs at scale
  • Broad Application Spectrum: Serves diverse sectors such as LED lighting, telecommunications (e.g., 5G heat sinks), battery systems, electronics cooling, and more
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CNC Machining Aluminum Heatsink Product

Round CNC Aluminum Heatsink
Round CNC Aluminum Heatsink
Extruded LED Light Heatsink
Extruded LED Light Heatsink
Machined Heatsink Component
Machined Heatsink Component
6063 Aluminum Heat Sink
6063 Aluminum Heat Sink
Multi-Axis CNC Heat Sink
Multi-Axis CNC Heat Sink
Aluminum Hardware Heatsink
Aluminum Hardware Heatsink
Precision-Fin Metal Cooling
Precision-Fin Metal Cooling
CNC Thermal Management Block
CNC Thermal Management Block

Customization Capabilities

We deliver custom CNC aluminum heatsinks with precision geometry, surface finishes, and functional design tailored to your project specifications.

  • Material Alloy: Aluminum 6063, 6060, or others by request
  • CNC Processes: Multi-axis milling, digital drilling, profile machining, tight-tolerance turning
  • Surface Treatments: Options include anodizing, powder coating, electrophoresis, bead blasting, chroming, nickel plating, etc.
  • Geometry & Fin Configuration: Highly customizable with complex profiles, fin density, and layout
  • Production Scale: Flexible from small batches to large-volume runs leveraging strong OEM production capacity
  • Machining Length Capability: Supports long-section parts up to CNC machine capacity (e.g., up to 6500 mm)
  • Lead Time & Delivery: Efficient production pipeline-from approval to shipment-enabled by integrated workflows
  • Engineering Support: Technical review and manufacturability guidance from experienced thermal design team

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Why Partner with Sinoextrud for Your CNC Machining Aluminum Heatsink Needs?

We are more than just an aluminum profile supplier — we’re your efficient, reliable, long-term partner.
With Us, You Get:Faster turnaround,Stable quality,Competitive pricing,End-to-end support.

Large-Scale Manufacturing:Our factory spans 1,000 mu (about 667,000 m²), with full in-house capabilities from aluminum smelting and billet casting to extrusion, surface treatment, and CNC machining.

One-Stop Solution:With 43 extrusion lines (500–5500 tons) and a dedicated mold partner, we provide fast production, custom profiles, and integrated services to simplify your supply chain.

Quality You Can Trust:Strict quality control ensures consistent dimensions, strength, and finish, reducing your risk and increasing reliability.

Fast Delivery & Cost Efficiency:Self-produced billets, in-house processing, and batch production mean faster lead times and lower overall costs.

Advanced Finishing Options:Anodizing and both vertical and horizontal powder coating lines deliver durable, high-quality surface finishes tailored to your product needs.

Factory Overview
Furnace workshop
Aluminum bar production
Mold Warehouse
500-5500 Tons Extruder
Spraying workshop
Anodizing workshop
Deep Processing Workshop
CNC Machining Workshop
Finished goods warehouse
Finished goods warehouse
Finished goods warehouse
Export warehouse
5500 Ton Extrusion Press
Aluminum extrusion press
Large Aluminum Extrusion Line
Aluminum extrusion production line
Extrusion workshop
IATF 16949 Certification
TUV
Finished goods warehouse
Export warehouse

-Standard Packing Option-

* Long bar length profiles 3.0-6.0 meters*
Protective Film
Shrink Sleeve
Brown Paper
Craft Paper
* Short bar length profiles 0.3-3.0 meters*
EPE Foam
Poly Bag
Wooden Crate
Wooden Case

-Loading & Shipment-

Pallet Loading
Bulk Loading
LCL Loading
Expedited Express

STEPS

How to work with us

Start A Project today
  • Quote & Estimation

    Begin with a thorough evaluation of the design's feasibility, followed by a prompt, detailed estimate.

  • Sample & Test

    Creating a prototype to assess dimensions and ensure the mold's precision aligns with the requirements.

  • Extrude & Finish

    Producing the aluminum profile with pinpoint accuracy to the given specifications and applying desired finishes.

  • Pack & Deliver

    Tailored packaging for the extruded profiles, ensuring safe and efficient loading for prompt delivery.

CNC Machining Aluminum Heatsink-FAQ's

What alloys are used for CNC aluminum heatsinks?
We typically use high-conductivity aluminum such as 6063, 6060, and can accommodate other alloys upon request.
What CNC capabilities are available?
We offer multi-axis milling, digital drilling, profile machining, and tight-tolerance turning for complex geometries.
What surface finish options are supported?
A wide range including anodizing, powder coating, electrophoresis, bead blasting, chroming, and nickel plating.
Can the geometry be customized?
Yes-fin spacing, profile shape, and mounting features are fully customizable to meet design needs.
What production volumes can you handle?
Capable of delivering both small batch runs and large-scale OEM projects, with robust CNC capacity.
How long of parts can you machine?
We support extra-long profiles, up to the limits of our CNC machines (e.g., up to 6500 mm).
Do you offer engineering consultation?
Our experienced R&D and process team provides technical advice to ensure manufacturability and performance.
What industries use your CNC heatsinks?
Applications include LED lighting, telecom (5G towers), EV battery modules, electronics thermal management, and industrial machinery.

Products You May Looking for

Still have questions? Contact us — we’ll reply within 12 hours.

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Sinoextrud: Your CNC Machining Aluminum Heatsink Manufacturer

CNC machining aluminum heatsinks offer precision, robustness, and thermal efficiency by leveraging advanced milling and profiling techniques. High-quality aluminum alloys coupled with diverse surface treatments yield parts built for performance and longevity.


Our one-stop approach-combining extrusion, CNC machining, and finishing-delivers tailored thermal management solutions ready for deployment across demanding environments such as electronics, telecommunications, and lighting systems.


Equipped with extensive CNC infrastructure and seasoned engineering support, we cater to both low-volume prototypes and high-volume production needs, ensuring quality, consistency, and cost-effectiveness.


Whether optimizing for fine geometry, specialized finishes, or extended-length parts, our streamlined process ensures parts are manufacturable, reliable, and delivered on time for your projects.


Trusted across diverse global sectors, our CNC aluminum heatsinks help customers enhance heat dissipation, maintain component stability, and elevate product performance.


CNC Machining Aluminum Heatsink : The Ultimate FAQ Guide

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