CNC Machined Copper Parts

High-conductivity copper components for electronics, heat exchangers, and custom industrial parts.

Tolerance down to 0.0005 inches(0.01mm)

Tolerance down to 0.0005 inches(0.01mm)

No minimum order quantity

No minimum order quantity

Over 40 Certified Materials

Over 40 Certified Materials

Delivery in as little as 5 days

Delivery in as little as 5 days

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CNC Milling

CNC Milling

Utilizes rotating cutting tools for high-precision machining of flat surfaces, curves, and complex parts, ideal for mold making, aerospace, and automotive industries.

CNC Turning

CNC Turning

Uses rotating workpieces and cutting tools for efficient machining of cylindrical components, widely applied in shafts, discs, and precision parts manufacturing.

5 Axis Machining

5 Axis Machining

Enables multi-angle precision cutting, reducing setups and machining complex surfaces, perfect for high-end aerospace, medical devices, and precision mold manufacturing.

Common Copper Grades for CNC Machining

Alloy Temp Resistance (°C) Hardness (HB) Cost Common Applications Surface Treatment Limitations Key Features
C10100 ~200 ~40 $$$$ High-end electronics, vacuum tubes, semiconductors Easily oxidized, not ideal for anodizing Highest purity (99.99%+), excellent electrical conductivity
C11000 (T2) ~200 ~50 $$$ Electrical connectors, busbars, heat exchangers Cannot be anodized, surface oxidizes High conductivity, ductile, good thermal transfer
C12200 ~200 ~50 $$$ Plumbing, HVAC, weldable parts Not suitable for decorative finishes Good corrosion resistance, excellent weldability
C14500 ~200 ~60 $$$$ Machined electrical parts, connectors Limited polishing shine Excellent machinability, retains conductivity
C17200 ~315 ~100–140 $$$$ Aerospace, tooling, heavy-duty springs Requires caution due to toxicity in dust High strength, wear resistance, corrosion resistance

Common Surface Finishes for Copper

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Polishing
High-gloss, mirror-like surface ideal for decorative or sanitary components.
Easily scratched, no corrosion protection. C10100, C11000
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Electroplating
Nickel, gold, or silver plating improves corrosion resistance and visual appeal.
Requires thorough cleaning and uniform base finish. C10100, C11000, C14500
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Painting / Powder Coating
Adds color, surface protection, and enhanced durability.
May reduce electrical/thermal conductivity. C11000, C12200
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Passivation
Chemical treatment enhances resistance to atmospheric oxidation.
Less effective than on stainless steel. C12200, C14500

Copper Parts Showcase

REKO offers high-precision CNC machining services for copper parts, from prototyping to large-scale production. Our copper components are trusted across industries such as electronics, telecommunications, energy systems, medical devices, and high-end architectural applications — where exceptional electrical/thermal conductivity, corrosion resistance, and precise tolerances are essential.

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Copper FAQs for CNC Machining

Is copper easy to machine?
Copper is soft and ductile, making it easy to machine, though it may produce burrs.
What industries commonly use copper parts?
Electronics, power systems, heat exchangers, HVAC, and medical equipment.
Can copper parts be anodized?
No, anodizing is not suitable for copper. Electroplating is preferred.
Does copper oxidize?
Yes, copper naturally forms a patina. Plating or coating is recommended for aesthetics.
Is copper suitable for high-precision applications?
Yes, but careful control is needed due to its softness. It's ideal for applications requiring excellent conductivity and minimal resistance.
What is the difference between copper, brass, and bronze?
Copper is pure metal. Brass is copper + zinc (yellow, easy to machine), while bronze is copper + tin (reddish-brown, stronger and more corrosion-resistant).

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