Copper Rod for Electrical Components & CNC Machining

Copper Rod is a versatile copper product supplied in round, square, and hexagonal sections for precision machining and electrical applications. Manufactured from high-purity copper, it combines excellent electrical conductivity, thermal conductivity, corrosion resistance, and good machinability, making it suitable for producing conductive and structural components requiring reliable performance.

Round, square, and hex copper rods can be easily machined into electrical connectors, terminals, contact parts, busbar accessories, fasteners, shafts, valve components, bushings, and other precision parts. They are widely used in power distribution equipment, switchgear, transformers, electrical machinery, renewable energy systems, and general industrial equipment.

Round,Square and Hex Copper Rod Sizes:

Round Copper Rod:

• Diameter:Φ1.5mm, Φ3mm, Φ5mm, Φ10mm, Φ20mm, Φ50mm, Φ100mm, Φ150mm, Φ200mm

• Length: 1000mm, 2000mm, 3000mm, 4000mm

Square Copper Rod:

• Size: 5mm x 5mm, 10mm x 10mm, 20mm x 20mm, 50mm x 50mm, 100mm x 100mm

• Length: 1000mm, 2000mm, 3000mm, 4000mm

Hexagonal Copper Rod:

• Distance Across Flats: 10mm, 20mm, 30mm, 50mm, 100mm

• Length: 1000mm, 2000mm, 3000mm, 4000mm

Standards: ASTM B187,EN13601,JIS H3250,GB/T4423

Copper Rod Grades

• C11000 (ETP copper) → electrical applications

• C10100/C10200 (oxygen-free copper) → high purity

• C12200 → heat exchanger / fabrication

Machining Capabilities

Copper rods can be processed through:

• CNC turning

• Milling

• Drilling

• Threading

• Cutting

• Grinding

Application of Copper Rods 

Electrical Equipment

• Electrical connectors

• Contact terminals

• Conductive pins

• Busbar accessories

• Switchgear components

Power Distribution

• Transformer components

• Power distribution equipment

• Grounding connectors

• Electrical fittings

Precision Machining

• Shafts

• Bushings

• Sleeves

• Fasteners

• Threaded parts

Industrial Equipment

• Valve components

• Pump parts

• Flanges

• Couplings

• Mechanical connectors

 Copper Rod vs Copper Bar

Copper rod and copper bar are closely related products, and the terms are sometimes used interchangeably in the metal industry. In general, copper rod usually refers to solid copper material supplied in round, square, or hexagonal sections for machining and fabrication, while copper bar is a broader term that also includes flat bars and rectangular sections used in electrical and structural applications. The choice of term often depends on the product shape, industry practice, and applicable material standard rather than a strict technical definition.

For CNC machining and precision component manufacturing, round, square, and hex copper rods are commonly used to produce shafts, bushings, fasteners, valve parts, electrical connectors, and other machined components. Flat copper bars are more commonly used for busbars, grounding systems, switchgear, and electrical distribution equipment.

If your application requires flat conductive sections for power distribution, please refer to our Copper Flat Bar products.