OEM Double heads thread copper bonded grounding rod / electrode

OEM Double heads thread copper bonded grounding rod / electrode FEATURES 1. Thickness no less than 0.25mm 2. Tensile Strength than 580N/ mm2 3. Straightness error less than or equal to 1mm/m 4. At least 50 years service life 5. Easy installation and low construction cost COMMON SIZE MODEL Copper layer Thickness Diameter Length of supply N.W. Packing Mil mm Inch mm Feet mm kgs/pc pc/bundles CN-D14 10 0.254 14.2 3 900 1.12 20 4 1200 1.49 5 1500 1.87 6 1800 2.24 CN-D16 16 3 900