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Prefabricated Galvanized Ground Helical Solar Post Tensioning Anchor Spiral Pole Pile Foundatioin Ground Screw

Updated 2026-11-04 · Markdown version

Model no. JF-FAN

US$0.012 – 6.23 / piece

MOQ 200 pieces · Final price confirmed in your quote

Color: White
Surface Treatment: Galvanized
Material: Steel
Packing: Wooden Cases or Carton
Materials: as Per Request
Package Size: 60.00cm * 40.00cm * 50.00cm
Small-Diameter Screws (e.g., 76mm/3" shaft): For residential and light commercial C&I projects.
Large-Diameter Screws (e.g., 114mm/4.5", 140mm/5.5" shaft): For utility-scale solar farms.

Specifications are as listed for this product. Engineering Hardware & Fasteners confirms ratings, mating parts, compatibility, packing and lead time with you before you order.

Specifications

Customization	Available
After-sales Service	Consult Us
Warranty	Consult Us
Model NO.	JF-FAN
Condition	New
Certification	ISO, CB, CE
Application	Home, Industrial, Commercial
Specification	Normal, As your requirement
Item	Ground Screw
Color	White
Surface Treatment	Galvanized
Material	Steel
Type	Ground Pile Screw Pier for Solar Mounting
Export Markets	Global
Shipping Port	Qingdao
Place of Origin	China
Transport	by Sea or Air
Packing	Wooden Cases or Carton
Weight	Customized
Sample	7 Days Ready
Processing	as Per Your Drawing
Materials	as Per Request
After-Sale Service	Definetly
Transport Package	Plywood Box
Origin	Weifang City, Shandong Province, China
HS Code	7326199000
Production Capacity	10000PCS/Month
Package Size	60.00cm * 40.00cm * 50.00cm
Package Gross Weight	80.000kg
Ground screw appliation	Solar system;
Screw anchor advantage	Save time;
Quality control	*We have specialized QC testers to check the quality of the products according to different customers'
Speed	Installation is 3-5x faster, drastically reducing project timelines.
Low Environmental Impact	No excavation, no curing time, no water needed. Minimal site disturbance.
Immediate Load Capacity	Panels can be mounted immediately after installation.
Removability & Reusability	Can be unscrewed at end-of-project life, allowing land restoration.
All-Season Installation	Can be installed in most weather conditions, including frozen ground (with proper equipment).
Lower Total Installed Cost	Reduces labor, equipment, and material costs.
Small-Diameter Screws (e.g., 76mm/3" shaft)	For residential and light commercial C&I projects.
Large-Diameter Screws (e.g., 114mm/4.5", 140mm/5.5" shaft)	For utility-scale solar farms.
Single-Helix vs. Multi-Helix	For different load and soil requirements.
Rock Tip / Punch Tip Screws	For penetrating harder surfaces or rocky soils.
Custom Extensions & Couplers	To reach required depth.
Complete Kits	Including mounting heads (top hats), brackets, and hardware.
Torque-Capacity Correlation	Installation torque is directly measured to verify design load capacity in the field.
Shaft & Helices	High-strength low-carbon steel (Q235B, S235JR) or high-strength steel (Q355B, S355JR).
Surface Protection	Hot-Dip Galvanizing (HDG) to ASTM A123 (standard, ≥85µm coating) is standard. Galvanizing + Powder Coating is available for enhanced aesthetics and protection in highly corrosive soils.
Welds	Continuous, full-penetration welds, galvanized after welding.
Torque Motors	Provide the rotational force. We can recommend torque requirements for our products.
Drive Heads	Attach to the top of the screw.
Extensions	To reach desired depth.
Optimal	Sand, silt, clay, loam.
Challenging but Feasible	Dense clay, gravel, weak rock (using specialized tips/rock points).
Not Recommended	Solid bedrock, very loose sand, or soils with large boulders without prior investigation.
Small Screws (76mm shaft)	10 - 40 kN (1 - 4 metric tons) uplift capacity.
Large Screws (114mm+ shaft)	30 - 150+ kN (3 - 15+ metric tons) uplift capacity.
For an accurate proposal, please provide	Project Location & Site Conditions (basic soil info if available).
Standard Products	MOQ 500 pieces; Lead time 20-30 days.
Custom/Large Project Orders	MOQ negotiable; Lead time 30-45 days.
Samples/Test Screws	Available for site trials.
Packaging	Bundled and strapped on wooden pallets for easy handling with forklifts.
Shipping	Mainly by sea (FOB/CIF terms). We optimize container loading to minimize freight costs.
Documentation	Full commercial and material certification documents provided.
Category	Other Machine & Custom Screws

Technical parameters

Round Shaft Helical Pile
Shaft Size OD in (mm)	Wall Thickness in (mm)	Metal Area in² (cm²)	Perimeter in (cm)	Helix Size in	Helix Thickness in	Lead Length ft	Extension Length ft
2.875 (73)	0.203(5.2)	1.7 (11.0)	9.0 (22.9)	8/10/12/14	3/8 or 1/2	3/5/7	3/5/7/10
2.875 (73)	0.276(7.0)	2.3 (14.8)	9.0 (22.9)	8/10/12/14	3/8 or 1/2	3/5/7	3/5/7/10
3.5 (89)	0.300 (7.6)	3.0 (19.5)	11.0(27.9)	8/10/12/14	3/8 or 1/2	3/5/7	3/5/7/10
4.5 (114)	0.337(8.6)	4.4 (28.4)	14.1(35.9)	8/10/12/14	3/8 or 1/2	3/5/7/10	3/5/7/10
6.625 (168)	0.28 (7)	5.58 (36.0)	20.8(52.8)	8/10/12/14	3/8 or 1/2	3/5/7/10	3/5/7/10
8.625 (219)	0.25(6)	6.58 (42.5)	27.1(68.8)	8/10/12/14	3/8 or 1/2	3/5/7/10	3/5/7/10
All above sizes, steel grade are customizable.

Description

Prefabricated Galvanized Ground Helical Solar Post Tensioning Anchor Spiral Pole Pile Foundatioin Ground Screw is part of our other machine & custom screws range (Screws).

Key details

Type: Ground Pile Screw Pier for Solar Mounting
Material: Steel
Surface Treatment: Galvanized
Application: Home, Industrial, Commercial
Certification: ISO, CB, CE
Warranty: Consult Us
Condition: New
Item: Ground Screw

Available configurations include color, surface treatment, material, packing and materials. Custom sizes, threads, materials, grades, platings and packaging can be quoted on request.

Ordering through Engineering Hardware & Fasteners

Minimum order is 200 pieces at US$0.012 – 6.23 per piece. Send one inquiry with the part number, quantity and destination, and Engineering Hardware & Fasteners confirms size, thread, material, grade, finish, price, lead time and shipping, checks the goods before dispatch and ships them to you.

Frequently asked questions

What is the minimum order quantity (MOQ) for Prefabricated Galvanized Ground Helical Solar Post Tensioning Anchor Spiral Pole Pile Foundatioin Ground Screw?

The listed minimum order is 200 pieces, at US$0.012 – 6.23 per piece. Smaller trial quantities or samples can be requested in your inquiry; Engineering Hardware & Fasteners confirms what is possible for your size.

What are the main specifications of Prefabricated Galvanized Ground Helical Solar Post Tensioning Anchor Spiral Pole Pile Foundatioin Ground Screw?

Type: Ground Pile Screw Pier for Solar Mounting; Material: Steel; Surface Treatment: Galvanized; Application: Home, Industrial, Commercial; Certification: ISO, CB, CE; Warranty: Consult Us. The full specification table and any technical parameter tables are listed on this page.

Can this product be customized (OEM)?

Listed configurations include color, surface treatment, material, packing and materials. Size, thread, length, material and grade, surface finish, head marking, packaging and labels can be quoted to your specification or drawing.

What is the lead time and how is it shipped?

Lead time depends on quantity and customization and is confirmed in your quote. Engineering Hardware & Fasteners checks the goods before dispatch and ships by express, air or sea; mixed orders can be consolidated in one shipment.

Which other other machine & custom screws are available?

The Other Machine & Custom Screws category lists 14,058 products in different sizes, materials and finishes: https://engineeringhardware.com/fastener-products/screws/other-machine-custom-screws/

How we work

Specified, checked and shipped by Engineering Hardware & Fasteners

Engineering Hardware & Fasteners supplies bolts, screws, nuts, washers, anchors, rivets and fastening hardware to equipment makers, contractors, distributors and maintenance teams. Orders go through one controlled process: size, thread, material, grade and finish confirmed, samples approved, dimensions, thread fit and plating checked before packing, then packed for export — standard or made to drawing.

DIN, ISO, ASTM, ANSI, JIS and GB standard parts
Non-standard parts made to your drawing
Dimensions, thread gauges and plating checked before packing
Export cartons and pallets, consolidated mixed orders
Samples available for approval before mass production

More about us → · Request a sample or custom quote →

Request a quote for this product

US$0.012 – 6.23MOQ 200 piecesGet a quote WA