Industrial Grade Threaded Couplings comes in length sizes ranging from 70mm to 80mm and are highly durable with weather proof properties. The Threaded Couplings come with high tensile strength and are used for joining earth rods together. The Threaded Couplings facilitate deep driving and ensure continual contact between the rods both during and after installation. Industrial Grade Threaded Couplings also protects the earth rod threads during installation with the driving head and are manufactured from high copper content alloy ensuring efficient corrosion resistance.
