Ground Screw
1.Deoiling:Dip ground screws into a pool with heated sodium hydroxide solution to remove the oil, then rinse with water2.Acid wash: Remove the rust and oxidation by hydrochloric acid, then rinse with water.3. Hot dip galvanizing: Dip ground screws into the galvanizing pool with 98.5% and 450 C zinc solution, and control the galvanizationtime to achieve the thickness of zinc layer per request. 4. Package: Clean the surface of ground screws and pack with iron-framed box.
Material：Q235B material steel
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Feature
Ground Screw Styles
* Made by high strength carbon steel with 80 micron average galvanizing thickness to ensure high anti-corrosion.
*Monthly capacity: 75,000pcs
フランジ付き螺旋杭
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