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Machined Heatsink
- High Thermal Efficiency: Machined heatsinks are precisely engineered for maximum heat dissipation, delivering superior cooling for electronic and power devices.
- Premium Material Options: Manufactured from high-conductivity 6063, 6061, or 1050 aluminum alloys for optimal performance and corrosion resistance.
- Customizable Fin Structures: Supports a wide range of fin heights, thicknesses, and densities, tailored for forced-air or natural convection applications.
- Precision Machining: Advanced CNC processes ensure tight tolerances, sharp edges, and smooth surfaces for improved thermal contact.
- Versatile Designs: Available in various shapes including flat, pin, skived, bonded, and embedded copper options for high-power needs.
- Surface Treatment Choices: Options include anodizing, powder coating, or nickel plating to enhance appearance and thermal properties.
- Wide Application Range: Ideal for electronics, power supplies, LED lighting, industrial equipment, and automotive modules.
Machined Heatsink Product
Customization Services for Machined Heatsinks
We offer full customization for machined heatsinks, including materials, geometry, surface treatments, and mounting features. Each heatsink is engineered to deliver optimal thermal management based on your specific project requirements.
- Material Grades: 6063, 6061, 1050 aluminum, embedded copper as required
- Fin Type: Flat, pin, skived, bonded, custom geometry
- Fin Dimensions: Heights from 5mm to 100mm, thickness 0.5mm to 10mm, custom spacing
- Base Thickness: Customizable from 2mm to 30mm for mechanical strength and heat transfer
- Surface Treatments: Anodizing (black, clear, custom colors), powder coating, nickel plating
- Mounting Features: CNC drilling, tapping, slots, countersinks, adhesive surfaces
- Tolerance: Machining precision up to ±0.05mm for critical thermal and assembly interfaces
- Size Range: Small electronic to large industrial heatsinks
- MOQ: 200kg per custom order
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Why Partner with Sinoextrud for Your Machined 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
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.
Machined Heatsink-FAQ's
What materials are used for machined heatsinks?
We mainly use 6063, 6061, or 1050 aluminum alloys, and can add copper inserts for high-power designs.
Can you customize fin structure and size?
Yes, fin height, thickness, density, and overall heatsink size are all fully customizable.
What surface treatments do you offer?
Options include black or clear anodizing, powder coating, and nickel plating for enhanced protection and appearance.
Do you provide mounting holes or cutouts?
Yes, CNC drilling, tapping, and custom slotting for mounting or connectors are available.
What is your minimum order quantity?
Our MOQ is 200kg for custom machined heatsinks.
What is your typical lead time?
Production lead time is 15-25 days depending on design complexity and quantity.
How do you ensure thermal performance?
Each heatsink is manufactured to strict tolerances, with thermal and dimensional inspection before delivery.
Do you export globally?
Yes, we supply machined heatsinks to customers worldwide in electronics, industrial, and automotive sectors.
Do you provide engineering support?
Our team offers design optimization and DFM assistance for thermal and mechanical performance.
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Sinoextrud: Your Machined Heatsink Manufacturer
Machined heatsinks deliver precise thermal management for sensitive electronics, power supplies, LEDs, and industrial equipment. Using premium aluminum or copper, each heatsink is engineered for maximum surface area and cooling capacity.
They are widely used in electronics, automotive control modules, industrial automation, telecommunications, and renewable energy systems. Customizable geometry allows for optimized airflow and space-saving integration in tight assemblies.
Various surface finishes such as anodizing, powder coating, and nickel plating not only enhance appearance but also improve heat dissipation and corrosion resistance in demanding environments.
Our advanced CNC machining and fabrication ensure that every heatsink meets strict requirements for dimensional accuracy, mechanical strength, and thermal efficiency-delivered ready for installation and assembly.
With a focus on quality assurance, rapid production, and global delivery, we supply machined heatsinks trusted by OEMs and industrial clients worldwide for their most critical projects.