Auger Style Earth Anchor 1/2″ x 30″ x 4″ The Auger-style earth anchor made of carbon steel helix is a leading edge in the world of anchoring systems. This type of anchor is widely used in building and construction projects, as well as in the oil and gas industry. The carbon steel helix provides excellent resistance to rust and corrosion, making it perfect for long-term use in harsh environments. The helix design of the anchor provides a strong grip on the ground, ensuring that any load is well-supported and secure.