Ground screw, also known as helical piers, anchors, piles or screw piles, are deep foundation solutions used to secure new or repair existing foundations. Due to their design and ease to installation, they are most commonly used whenever soil conditions prevent standard foundation solutions. Instead of requiring large excavation work, they thread into the ground. This minimizes installation time, requires little soil disturbance, and most importantly transfers the weight of the structure to load-bearing soil.

When you choose the ground screw acnhor , pls refer the standard as below

Shaft material: Seamless high tensile pipe, conforms to ASTM A500 GRADE B
Helices material: ASTM A36 Hot rolled plate
Corrosion protection conform to ASTM A153 standard for hot dipped zinc coating
Round Shank Anchors are Hot Dip Galvanized to meet ASTM Specification A153.
Leading edge of Helices beveled 45 degrees

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