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Home > Square Heat Sink Manufacturer
Square Heat Sink
- High Thermal Efficiency: Square heat sinks are designed with optimized fin structures to maximize surface area and enhance heat dissipation.
- Wide Material Selection: Manufactured from premium 6063 and 6061 aluminum alloys for excellent thermal conductivity and lightweight performance.
- Customizable Dimensions: Supports a broad range of sizes, heights, and fin densities to fit different electronic and industrial cooling requirements.
- Precision Extrusion: Advanced extrusion technology ensures consistent fin geometry, uniform quality, and tight dimensional tolerances.
- Surface Treatment Options: Available in anodized, powder coated, or bare finishes to improve corrosion resistance and appearance.
- Easy Installation: Integrated mounting holes, slots, or clips can be machined to match customer-specific assembly needs.
- Superior Durability: Engineered to resist deformation, oxidation, and environmental stress for long service life in harsh conditions.
Square Heat Sink Product
Extensive Customization for Square Heat Sinks
We offer full customization services for square heat sinks, covering everything from base size and fin arrangement to surface treatments and secondary processing. Each heat sink is engineered to your thermal, mechanical, and installation requirements.
- Base Size: Customizable square dimensions from 20mm x 20mm up to 300mm x 300mm
- Height: Heights available from 10mm to 150mm as per design needs
- Fin Thickness: Options from 0.8mm to 5.0mm for optimized thermal transfer
- Fin Spacing: Adjustable spacing to balance airflow and heat dissipation
- Material Grade: High-quality 6063, 6061, or 6005 aluminum alloys
- Surface Treatment: Anodized, powder coated, sandblasted, or custom colors available
- Mounting Features: Pre-machined holes, slots, or threaded inserts for simplified installation
- Secondary Processing: Supports drilling, CNC machining, milling, and cutting as required
- Packing & Branding: Export-standard packaging and optional custom logo marking
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Why Partner with Sinoextrud for Your Square Heat Sink 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.
Square Heat Sink-FAQ's
What base sizes and fin heights are available for square heat sinks?
We can manufacture square heat sinks with bases from 20mm x 20mm to 300mm x 300mm and heights from 10mm to 150mm, fully customizable to your application.
Which aluminum alloys do you use for heat sinks?
Standard options include 6063 and 6061, with other grades like 6005 available for specific thermal or mechanical requirements.
Can you support custom fin structures or densities?
Yes, our extrusion and CNC capabilities allow for precise customization of fin geometry, thickness, and density based on your design or thermal simulation.
What surface treatments are offered?
Surface finishes include natural, anodized, powder coated, and sandblasted, with custom color matching as needed.
Do you provide machining for mounting or assembly features?
We offer complete secondary machining, such as drilling, slotting, tapping, or adding threaded inserts for easy assembly.
What is your typical lead time and minimum order quantity?
Standard lead time is 15-25 days with a minimum order quantity of 200kg per model, depending on complexity.
How do you ensure quality and performance of the heat sinks?
Every batch is inspected for dimensional accuracy, surface quality, and thermal performance, with full inspection reports and certificates available.
Can you assist with thermal design and simulation?
Our engineering team can provide technical support, design optimization, and thermal simulation for your project.
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Sinoextrud: Your Square Heat Sink Manufacturer
Square heat sinks provide reliable and efficient thermal management for a wide range of electronic, industrial, and power equipment applications. Engineered with high-density fins and premium aluminum alloys, these heat sinks ensure rapid heat dissipation and consistent performance.
They are widely used in LED lighting, power supplies, inverters, industrial automation, telecommunications, and consumer electronics, supporting demanding environments with high thermal loads.
A selection of surface treatments, such as anodizing and powder coating, further enhances corrosion resistance and appearance while extending the service life of the product in challenging conditions.
Our advanced machining and finishing capabilities enable customized solutions, including drilling, CNC milling, and the integration of mounting accessories to meet exact installation and assembly needs.
With a focus on quality, flexibility, and on-time delivery, we support OEMs, electronics manufacturers, and industrial buyers in optimizing the thermal management of their systems worldwide.