Description Hot-dip Galvanized Q235B Steel Ground Screw Pole Anchor (solar mounting system, fence, gate, garden, sheds, containers, farming, factory, turnkey) The production process is as follows: 1. Steel strip cutting 2. Shape forming 3. Shape welding 4. Polishing 5. Helix welding 6. Hot dipped galvanizing sufface treatment 7. QC and packing This production has developed different series of screws to meet varied applications. The Ground Screws are installed with a number of specific aids and machines, perfectly perpendicular at the exact point after minutes. This screw-in foundation system is not only suitable for natural ground, but also for dense and even tarred surfaces. Applications are countless, from securing garden umbrellas, windy dryers and fences to carports, flag poles and traffic signs, solar panel systems, advertising boards and even outdoor building for events and expositions for its quick and easy created and removed advantages. As per practical requirements, the system is able to be planned and customized in the factory to avoid welding and cut on the spot, saving your time and cost. Model No OD Thickness bore diameter Vane Material ZHLX-N-76 76mm 3.0-4.0mm 3*M16 continuous Q235 ZHLX-N-89 89mm 3.0-4.0mm 3*M16 continuous Q235 ZHLX-N-114 114mm 3.0-4.0mm 3*M16 continuous Q235 ZHLX-N-219 219mm 3.0-4.0mm 3*M16 continuous Q235 Outer diameter 24, 37, 41, 49, 57mm Length 560-900mm Material Q235 Thickness 2-3mm Surface treatment Hot galvanizing DIN EN ISO 1461-1999 Average thickness=800micron Packaging Steel Pallet and heat shrinkage film Range of Application Solar power station, Fence, The simple house, Advertising board, Checkmark field.