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Heat Sink Manufacturing

Custom thermal management solutions including extrusion, skived fin, stamped fin, and heat pipe assemblies. We design and manufacture high-performance heat sinks for electronics, telecom, automotive, and industrial applications.

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    Produces custom heat sinks from aluminum, copper, and heat pipe assemblies

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    Combines extrusion, skiving, stamping, and CNC machining in one workflow

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    Supports 100% thermal performance testing for heat pipe based coolers

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    Delivers complete assemblies including fans, pipes, and mounting hardware

Advantages of Heat Sink Manufacturing

High Thermal Conductivity

Aluminum and copper maximize heat transfer from source to fins, reducing temperatures for critical components.

Custom Fin Designs

Tailored fin height, thickness, pitch, and shape to match your airflow, space constraints, and thermal targets.

Assembly Options

Integrates fans, heat pipes, mounting clips, and thermal interface materials into ready to install cooling modules.

100% Performance Testing

Every heat pipe based cooler passes through dedicated thermal test equipment to verify cooling capacity before shipment.

Technical Information

Our heat sink manufacturing capabilities cover extrusion, CNC machining, stamping, and heat pipe assembly. With in house thermal testing and CMM inspection, we deliver custom cooling solutions from prototype to production volumes.

Heat Sink Capabilities Specifications
Material Options Aluminum 6061/6063, Copper C110
Max. Heat Sink Size Up to 600mm length (extruded)
Fin Thickness (Skived) Down to 0.3mm
Fin Pitch From 1.0mm to 8.0mm
Heat Pipe Diameter 6mm / 8mm / 10mm
Thermal Testing 100% for heat pipe assemblies
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Tolerances listed above are minimums for ideal conditions. Looser tolerances may apply depending on part geometry, material selection, and specific processing requirements. contact us

Heat Sink Materials

A variety of metal materials are available for custom heat sink projects. Contact us for a quote.

Metals
  • Aluminum 6061
  • Aluminum Alloys AL7075/7050/7451
  • C110
  • Brass
  • Imported Aluminum Alloy 6061-T561
  • Copper
  • Aluminum 6061
Aluminum alloy 6061
Aluminum alloy 6061

Aluminum 6061

Aluminum 6061 is a lightweight, versatile alloy with excellent strength, corrosion resistance, and weldability. Widely used in aerospace, automotive, marine, and structural engineering.

Density:

2.8 g/cm³

  • Aluminum Alloys AL7075 / 7050 / 7451
aluminum zinc magnesium copper alloy
aluminum zinc magnesium copper alloy

Aluminum Alloys AL7075 / 7050 / 7451

Aluminum Alloys 7075, 7050, and 7451 are high-strength zinc-based materials with excellent fatigue resistance, widely used in aerospace, defense, and high-performance structural applications.

Density:

2.8 g/cm³

  • C1100
electrolytic tough pitch copper machining
electrolytic tough pitch copper machining

C1100

C1100 is a commercially pure copper (also known as electrolytic tough pitch copper, ETP) with very high electrical and thermal conductivity, excellent ductility, and good corrosion resistance. It is widely used in electrical conductors, bus bars, wiring, and heat exchangers.

Density:

8.9

  • Brass

Brass

Brass is a copper-zinc alloy known for its good mechanical properties, excellent corrosion resistance, and attractive golden color. It is widely used in decorative fittings, electrical components, plumbing, and precision machined parts.

Density:

8.9 g/cm³

  • Imported Aluminum Alloy 6061-T561

Imported Aluminum Alloy 6061-T561

6061-T561 is a heat-treated aluminum-magnesium-silicon alloy known for good mechanical strength, excellent corrosion resistance, and very good machinability. The T561 temper indicates it has been solution heat-treated, stress relieved by stretching, and artificially aged. It is widely used in structural parts, automotive, and precision components. Imported material meets strict international standards for quality and consistency.

  • Copper (CU)

Copper (CU)

Copper is a versatile metal with excellent conductivity, corrosion resistance, and durability, widely used in electrical, industrial, and structural applications.

Color:

Brass/Bronze/Copper

Density:

8.9 g/cm³

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If you do not see the material stock you are looking for, please choose "Custom" under the material drop-down on your quote page and submit for an expert engineering review once you have specified features, tolerances, inspection needs, and quantities required. contact us

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Custom Heat Sinks Delivered Fast

Our complete thermal management service supports your project from initial prototype development through to final production, ensuring optimal cooling performance at every stage.

Frequently Asked Questions

Here are answers to common questions about precision CNC machining and custom part manufacturing. Need more details? Contact our engineering team at sales08@gd-prototype.com

  • What services do you offer?

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  • Do you handle prototypes and low-volume production?

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  • How do you ensure quality?

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  • How fast can I get a quote?

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  • What's your typical lead time?

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Get Your Parts Into Production Today

Our complete precision machining service supports your project from prototype development through to final part production, ensuring precision and quality at every stage.