Hot dip galvanized Ground Screw also known as Ground Screw Anchor,Ground Screw Piles,Helical Piers,Screw Piles,etc.According to the shape of the selling Ground Screw Pile,we divide it into four categories:N Series Ground Screw,F Series Ground Screw,U Shape Ground Screw,V Steel Tube Ground Screw.you can choose and contact us when you need Ground Screw Foundation to support your project. N series Ground Screw without flange, but with Nut and reinforced washer, usually with 3 or 6 nut, and 2 pieces reinforced washer to reinforce strength. mainly for Solar energy system. some countries called that as ground anchor screw . Material of Helix Ground Screw :S 235 carbon steel. Length of the Screw Pile: 500-6000 mm . Diameter of pipe: 48 mm, 68 mm, 76 mm, 89 mm, 114 mm, according to clients' request. Nut: M 10/12/14/16 According to clients' request. Continuous welding with auto welding machine,cutting steel pipe with automatic cutting pipe machines .…