Copper Earthing Rods Grounding Rods

Copper-bonded rods have a steel core with a copper coating; solid copper rods are copper throughout. Specify the required rod construction, actual diameter, length, coupling thread and installation conditions. Confirm coating thickness and adhesion requirements for copper-bonded rods, and the material grade for solid copper rods. Electrode and connection selection must follow the grounding-system design.

Rod Specifications

Material Standard:

Core or copper grade to agreed specification

Construction:

Copper-bonded steel or solid copper, as specified

Size Range:

9.5mm to 25mm Diameter

Rod selection and dimensions

Select rod length and diameter for the soil, installation method and grounding design. Nominal thread size can differ from the actual rod diameter. Confirm the rod and coupling dimensions on the approved drawing before ordering.

Rod Dimension (mm)	Thread Diameter	Actual Rod Dia. (mm)	Component No.
9.5 x 1200	Unthreaded	9.5	CCBR-9512
14.5 x 1200	9/16″	12.5	CCBR-1412
14.5 x 1500	9/16″	12.5	CCBR-1415
14.5 x 1800	9/16″	12.5	CCBR-1418
16.0 x 1200	5/8″	14.2	CCBR-1612
16.0 x 1500	5/8″	14.2	CCBR-1615
16.0 x 1800	5/8″	14.2	CCBR-1618
16.0 x 2400	5/8″	14.2	CCBR-1624
20.0 x 1200	3/4″	17.2	CCBR-2012
20.0 x 1500	3/4″	17.2	CCBR-2015
20.0 x 1800	3/4″	17.2	CCBR-2018
20.0 x 2400	3/4″	17.2	CCBR-2024
25.0 x 2400	Unthreaded	25.4	CCBR-2524
25.0 x 3000	Unthreaded	25.4	CCBR-2530

Materials and corrosion protection

For copper-bonded steel rods, agree the core specification, copper thickness and required coating tests. For solid copper rods, agree the copper grade and condition. Corrosion performance depends on soil conditions, coating integrity and the complete electrode system.

Connections and installation

Use matched couplings, driving heads and clamps. State the conductor material and size, rod diameter and any direct-burial approval required. Install to the selected product instructions, using the specified torque and driving method. Avoid damaging the coating or threads.

Quotation requirements

Provide rod construction, dimensions, quantity, accessories, site conditions and required inspection documentation. Any declared grounding or lightning-protection standard must apply to the selected product and test evidence.

Technical FAQ – Copper Earthing Rods Grounding Rods

Which material should be specified?

Copper-bonded steel rods and solid copper rods are different constructions. Specify which is required, along with rod dimensions, material, coating or copper-bond thickness where applicable, and the required documentation.

How do I confirm connection compatibility?

Confirm rod-end design and the exact coupling thread for extendable rods. Use compatible couplers, driving heads and conductor clamps; nominal rod diameter alone does not establish thread compatibility.

What dimensions are needed for selection?

Provide rod diameter, length, required assembly depth, conductor size and site conditions. Confirm tolerances, copper-bond thickness for bonded rods and any mechanical or corrosion tests required by the project.

What determines suitability and operating limits?

Ground rods form part of an earthing electrode system. Earth resistance depends on soil resistivity, electrode geometry, spacing, moisture and installation. A rod length or copper coating does not guarantee a particular resistance value.

What finish and inspection documentation should I request?

State the required surface finish, coating thickness where relevant, and critical dimensions on the order. Material certificates, dimensional reports and any specified performance tests should be agreed in the quotation. A reference to a standard is not a declaration of third-party certification.

Can I request a custom part or export quotation?

Send a drawing or clearly dimensioned sample specification, material, quantity and delivery destination. Identify application conditions and required approvals. Brass Parts India can review the requirement and confirm feasibility, price, documentation and lead time for the quoted part.