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Threaded Couplings

An image of the Wallis threaded couplers
In-situ image of a threaded coupler connecting 2 copperbond earth rods togetherDimensional drawing of a threaded coupler

These Wallis high-strength threaded couplings (also referred to as Earth Rod Couplings & Earth Rod Couplers) are used for joining copperbond earth rods together. They facilitate deep driving and ensure continual contact between the earth rods both during and after installation.

These couplers also protect the earth rods threads during installation with the threaded driving head. There is also a lead-in for ease of assembly and the unique hexagonal design allows for greater grip and keeping the coupling tight when driving into the ground.

All Wallis threaded couplings are manufactured from a high copper content alloy ensuring excellent corrosion resistance.

Used in conjunction with Copperbond Earth Rods.

TypeL mmD mmUnit Weight kgPart Number
Type1/2"L mm68D mm18Unit Weight kg0.07Part NumberERBO 12
Type5/8"L mm68D mm20Unit Weight kg0.12Part NumberERBO 16
Type3/4"L mm78D mm25Unit Weight kg0.17Part NumberERBO 20
Type1"L mm100D mm31Unit Weight kg0.25Part NumberERBO 25
Type5/8"L mm80D mm21Unit Weight kg0.08Part NumberERBO 16S

Material: High Copper Alloy (ERBO 16S – Silicon Bronze)

Tested: BS EN 62561-2.

Tightening Torque: 40 Nm

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