Zinc coated exteriors are hot dip Galvanized Ground Rods / Earth Rods for protection against corrosion. In accordance with ASTM Spec. A153-67 surfaces are rigidly inspected to eliminate seams, silvers and other defects. Tensile strength is not less then 76000 psi. Steel confirms to grade ASTM A-529/Grade 50 or equivalent. Core steel meets all requirements to resist bending, prevent excessive mushrooming of the top and distortion of rod when installed under normal driving conditions.
Kopell Galvanized Ground Rods / Earth Rods are available in the following sizes:
|Cat.No||NominalDia.in inches||Length in feet||Packing Sub
|Wt./100 pcs in Ibs|