How ground screw is made
Part 1 – pile shrinking
Part 2 – helix welding -1
Part 2 – helix welding -2
Part 3 – Hot dip galvanization and surface treatment
How DIY metal post support is made
How ground screw is made
Part 1 – pile shrinking
Part 2 – helix welding -1
Part 2 – helix welding -2
Part 3 – Hot dip galvanization and surface treatment
How DIY metal post support is made