| After-sales Service: | Customized |
|---|---|
| Warranty: | More Than 5 Years |
| Name: | Round Screw Helical Piles Home Addition Foundation |
| Shaft Material: | Seamless Steel, ASTM A500 Grade B or Customized |
| Plate Material: | ASTM A36 Hot Rolled Plate |
| Corrosion Protection: | ASTM A153 Hot Dipped Zinc Coating |
