| Part No | Nominal diameter | Length | Thread‘B’ | Shank‘A’ | Weight each |
| ERT1112* | 1/2″ | 1200mm | 1/2″ | 11mm | 0.89kg |
| ERT1115* | 1/2″ | 1500mm | 1/2″ | 11mm | 1.12kg |
| ERT1118* | 1/2″ | 1800mm | 1/2″ | 11mm | 1.34kg |
| ERT1212 | 1/2″ | 1200mm | 9/16″ | 12.7mm | 1.18kg |
| ERT1215 | 1/2″ | 1500mm | 9/16″ | 12.7mm | 1.55kg |
| ERT1218 | 1/2″ | 1800mm | 9/16″ | 12.7mm | 1.76kg |
| ERT1224 | 1/2″ | 2400mm | 9/16″ | 12.7mm | 2.36kg |
| ERT1412 | 5/8″ | 1200mm | 5/8″ | 14.2mm | 1.53kg |
| ERT1415 | 5/8″ | 1500mm | 5/8″ | 14.2mm | 1.88kg |
| ERT1418 | 5/8″ | 1800mm | 5/8″ | 14.2mm | 2.29kg |
| ERT1421 | 5/8″ | 2100mm | 5/8″ | 14.2mm | 2.51kg |
| ERT1424 | 5/8″ | 2400mm | 5/8″ | 14.2mm | 3.00kg |
| ERT1430 | 5/8″ | 3000mm | 5/8″ | 14.2mm | 3.79kg |
| ERT1615 | 16mm | 1500mm | M18 | 16mm | 2.37kg |
| ERT1618 | 16mm | 1800mm | M18 | 16mm | 2.84kg |
| ERT1624 | 16mm | 2400mm | M18 | 16mm | 3.79kg |
| ERT1630 | 16mm | 3000mm | M18 | 16mm | 4.73kg |
| ERT1712 | 3/4″ | 1200mm | 5/4″ | 17.2mm | 2.19kg |
| ERT1715 | 3/4″ | 1500mm | 3/4″ | 17.2mm | 2.73kg |
| ERT1718 | 3/4″ | 1800mm | 3/4″ | 17.2mm | 3.27kg |
| ERT1721 | 3/4″ | 2100mm | 3/4″ | 17.2mm | 3.83kg |
| ERT1724 | 3/4″ | 2400mm | 3/4″ | 17.2mm | 4.35kg |
| ERT1730 | 3/4″ | 3000mm | 3/4″ | 17.2mm | 5.44kg |
Thread and shank diameters
Confusion often arises between thread and shank diameters for threaded rods.Earthing System
The thread rolling process, used by quality rod manufacturers, raises the surface of the rod so that thread diameter (B) is greater than shank diameter (A) (see drawing).
Copperbond earth rods probably offer to the installer the best and most economical earth rods available. They are made by molecularly bonding 99.9% pure electrolytic copper on to a low carbon steel core.Earthing System
Copper thickness standard 250 microns.(others plating copper thickness as your requested)
Copper plated grounding rod meets the standard:
BSEN 50164-2
Bs7430 and UL467 Earth rods to BS EN 50164-2
Bs7430 and UL467 Fitting to BS EN 50164-1
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