20mm Threaded Copper Ground Rod / Earthing Rods for harsh surface environment

20mm Threaded Copper Ground Rod / Earthing Rods for harsh surface environment We can supply threaded rods in all sizes and shapes. 1) Copper Clad Steel Grounding Rod can be made double heads thread, thread can be packed by plastic sheath 2) One end is pointed and the other end is threaded for extend 3) One end is pointed and the other end is flat. * Special sizes and shapes and copper thickness can be customised according to your demands if you can't find the specification