Tenders for Supply of 36000 75 X 10 Mm Gi Earthing Flats. The Mass Of Zinc Coating Shall Be 720 Gm Per Sqm And Average Thickness Shall Be 100 Microns For Galvanised Items. 75 X 10 Mm Gi Earthing Flats. The Mass Of Zinc Coating Shall Be 720 Gm Per Sqm. And Average Thickness Shall Be 100 Microns For Galvanised Items. 50 X 6 Mm Gi Earthing Flats. The Mass Of Zinc Coating Shall Be 720 Gm Per Sqm And Average Thickness Shall Be 100 Microns For Galvanised Items. 50 X 6 Mm Gi Earthing Flats. The Mass Of Zinc Coating Shall Be 720 Gm Per Sqm. And Average Thickness Shall Be 100 Microns For Galvanised Items. 50 X 6 Mm Gi Earthing Flat. The Mass Of Zinc Coating Shall Be 720 Gm Per Sqm And Average Thickness Shall Be 100 Microns For Galvanised Items.