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Flange Ground Screw
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Flange Ground Screw

Chudu Metal Hot-Dip Galvanized Solar PV Flange Ground Screw Pile is a foundation component designed for ground-mounted photovoltaic systems, solar farms, commercial solar projects, and other ground-mounted solar support structures.

  • Brand: Chudu Metal
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1. Product Overview


Chudu Metal Hot-Dip Galvanized Solar PV Flange Ground Screw Pile is a foundation component designed for ground-mounted photovoltaic systems, solar farms, commercial solar projects, and other ground-mounted solar support structures.

The upper section features a welded flange plate with mounting holes, allowing the ground screw to be connected directly to solar mounting posts, base plates, columns, or other structural components by bolts.

The lower section incorporates a helical screw structure that enables the pile to be mechanically driven into suitable soil. Ground screws are widely used as an alternative foundation solution for ground-mounted PV structures where project and soil conditions permit.

Manufactured from carbon steel with a hot-dip galvanized surface, the ground screw provides structural strength and corrosion protection for outdoor and underground applications.

Ground screw diameter, length, wall thickness, flange dimensions, mounting holes, helical structure, and other technical specifications can be customized according to customer drawings and project requirements.

2. Key Features


Flange Connection Design

The welded top flange provides a convenient bolted connection point between the ground screw foundation and the upper solar mounting structure.

Direct Bolt Connection

Mounting holes in the flange plate allow solar posts, brackets, base plates, or structural members to be connected using bolts.

Helical Ground Installation

The lower helical structure allows the ground screw to be mechanically rotated into suitable soil using specialized installation equipment.

Hot-Dip Galvanized Surface

The steel ground screw is protected by hot-dip galvanizing for improved corrosion resistance in outdoor and underground environments.

Carbon Steel Construction

The carbon steel structure provides the mechanical strength required for ground-mounted photovoltaic foundation applications.

Efficient Foundation Installation

Under suitable site conditions, ground screws can reduce excavation, concrete pouring, and curing work compared with conventional concrete foundations.

Flexible Flange Configuration

Flange diameter, flange thickness, hole diameter, hole quantity, and hole positions can be customized to match different solar mounting structures.

Customized Specifications

Pile diameter, length, wall thickness, helix dimensions, and connection details can be manufactured according to customer drawings and engineering requirements.

OEM & Drawing-Based Manufacturing

OEM production, drawing-based manufacturing, and sample-based customization are available.

3. Product Specifications


Item

Specification

Product Name

Solar PV Flange Ground Screw Pile

Brand

Chudu Metal

Product Type

Flange Ground Screw / Ground Screw with Flange

Material

Carbon Steel

Steel Grade

Customized

Surface Treatment

Hot-Dip Galvanized

Ground Screw Diameter

Customized

Ground Screw Length

Customized

Wall Thickness

Customized

Top Connection

Welded Flange Plate

Flange Shape

Round / Customized

Flange Diameter

Customized

Flange Thickness

Customized

Flange Hole Diameter

Customized

Flange Hole Quantity

Customized

Flange Hole Position

Customized

Helical Blade Diameter

Customized

Helical Pitch

Customized

Helical Section Length

Customized

Tip Structure

Standard / Customized

Installation Method

Mechanical Screw-In Installation

Application

Solar PV Ground Mounting System

OEM Service

Available

Drawing-Based Manufacturing

Available

Sample-Based Manufacturing

Available

Note: Ground screw dimensions, flange specifications, and technical parameters can be manufactured according to customer drawings, solar mounting structure dimensions, soil conditions, and project requirements.

4. Flange Connection Structure


The top of the ground screw is equipped with a welded flange plate designed to provide a stable mechanical connection with the upper photovoltaic mounting structure.

The flange can be manufactured with different bolt-hole arrangements to match solar mounting posts, steel columns, base plates, and customized support structures.

Available customized parameters include:

  • Flange Diameter
  • Flange Thickness
  • Bolt Hole Diameter
  • Bolt Hole Quantity
  • Bolt Circle Diameter
  • Hole Position
  • Flange Shape
  • Connection Interface

The final flange configuration can be produced according to customer drawings and mounting system requirements.

5. Helical Ground Screw Structure


The lower section of the pile features a helical structure designed for mechanical screw-in installation.

During installation, rotational force drives the ground screw into the soil, allowing the pile body and helical section to engage with the surrounding ground.

The helical blade diameter, pitch, number of turns, helical section length, and pile tip structure can be customized according to project specifications.

6. Installation Process


1. Foundation Layout

Determine the ground screw positions according to the photovoltaic mounting system layout and engineering design.

2. Ground Screw Installation

Use suitable ground screw installation equipment to rotate the pile into the soil.

3. Depth & Alignment Control

Control the installation depth, verticality, and final position according to engineering requirements.

4. Upper Structure Positioning

Position the solar mounting post, base plate, or support structure on the top flange.

5. Bolted Connection

Connect the upper mounting structure to the flange using suitable bolts, nuts, and washers.

6. Solar Mounting Structure Assembly

Continue installing beams, purlins, rails, braces, and photovoltaic modules according to the system design.

7. Applications

Chudu Metal Solar PV Flange Ground Screw Piles are suitable for:

Solar Ground Mounting Systems

Ground-Mounted Photovoltaic Projects

Utility-Scale Solar Farms

Commercial Ground Solar Projects

Agricultural Solar Projects

Fixed-Tilt Solar Mounting Systems

Solar Mounting Steel Structures

Solar Support Columns

Photovoltaic Power Plant Foundations

Customized Ground Solar Structures

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8. Material & Surface Treatment

Carbon Steel

The ground screw body and flange plate are manufactured from carbon steel to provide the structural strength required for solar foundation applications.

Different steel grades can be supplied according to customer drawings, project specifications, and engineering requirements.

Hot-Dip Galvanized

The steel components are treated with hot-dip galvanizing to improve corrosion protection for outdoor and underground use.

Galvanizing requirements can be customized according to project specifications and customer technical requirements.

9. Customized Dimensions & Specifications

Chudu Metal provides flexible customized manufacturing for different solar PV ground mounting projects.

Available customization includes:

  • Ground Screw Diameter
  • Ground Screw Length
  • Wall Thickness
  • Steel Grade
  • Flange Diameter
  • Flange Thickness
  • Flange Shape
  • Bolt Hole Diameter
  • Bolt Hole Quantity
  • Bolt Hole Position
  • Bolt Circle Diameter
  • Helical Blade Diameter
  • Helical Pitch
  • Number of Helical Turns
  • Helical Section Length
  • Pile Tip Structure
  • Hot-Dip Galvanizing Requirements
  • Matching Solar Post Dimensions
  • Packaging Requirements

Products can be manufactured according to customer drawings, samples, mounting structure dimensions, and project technical requirements.

10. Compatible Solar Mounting Components

The Flange Ground Screw can be used together with:

  • Solar Mounting Posts
  • Steel Columns
  • Base Plates
  • Solar Mounting Beams
  • Solar Purlins
  • C Channel Steel
  • Square Steel Tubes
  • Solar Mounting Rails
  • Bracing Components
  • Connecting Brackets
  • Bolts & Nuts
  • Flat Washers
  • Spring Washers
  • Other Solar Mounting Fasteners

Related photovoltaic structural components and fasteners can be supplied together according to project requirements.

11. Engineering Considerations

The final ground screw dimensions, flange configuration, and installation requirements should be determined according to the actual photovoltaic project conditions.

Important factors may include:

  • Soil Conditions
  • Required Installation Depth
  • Compression Load
  • Pull-Out Resistance
  • Lateral Load
  • Wind Load
  • Snow Load
  • Solar Mounting Structure Design
  • Foundation Spacing
  • Upper Post Connection
  • Local Engineering Requirements

For project-specific applications, appropriate engineering design and site testing should be carried out according to project requirements.

12. Advantages of Flange-Type Ground Screws

Compared with open-top ground screws, the flange-type design provides a different connection method for the upper structure.

The flange creates a direct bolted interface and can be customized to match different post bases and photovoltaic mounting structures.

This configuration is particularly suitable where the mounting structure is designed around a base plate or flange connection rather than an inserted-post connection.

The flange also allows bolt-hole geometry to be manufactured specifically for the upper support structure.

13. Manufacturing Advantages

Chudu Metal provides manufacturing capabilities for solar ground screws, photovoltaic mounting structural components, and related fasteners.

Different pile diameters, lengths, wall thicknesses, flange dimensions, and helical structures can be produced according to customer requirements.

The flange plate can be manufactured with customized diameters, thicknesses, and hole configurations to match different solar posts and support structures.

With integrated metal processing and fastener manufacturing capabilities, Chudu Metal can supply ground screws together with related posts, beams, C channels, square tubes, brackets, bolts, nuts, and washers, helping customers simplify project procurement.

OEM, drawing-based production, and sample-based customization are available.

14. Why Choose Chudu Metal

Chudu Metal specializes in manufacturing solar PV mounting components, ground-mounted photovoltaic structural products, and fasteners for global solar projects.

Our solar product range includes flange ground screws, open-top ground screws, solar mounting posts, C channel steel, square steel tubes, purlins, mounting beams, solar rails, module clamps, mounting brackets, connectors, U-bolts, pressure plates, bolts, nuts, washers, and other customized photovoltaic mounting components.

With professional metal processing and fastener manufacturing capabilities, we can provide both standard products and customized solutions according to customer drawings and project specifications.

Different ground screw diameters, lengths, wall thicknesses, flange structures, helical profiles, and surface treatment requirements can be customized for different solar ground mounting projects.

Chudu Metal is committed to providing global customers with reliable product quality, competitive factory pricing, flexible customization, and professional solar PV mounting solutions.

Contact Us

Hebei Chudu Metal Products Co., Ltd.
🌐 Website:  www.chudufastener.com
📧 Email: barry@hbchudu.com
📱 WhatsApp / Phone: +86 18533933520

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