China Standard Screw Piling Foundation Ground Foundation Helical Piles for Residential Square Bar Shaft Helical Piles & Extension shaft screw adapter

Product Description

Helical/screw piling foundation Square Shaft Helical Piers ground foundation helical piles for residential Square bar shaft helical piles & Extension

Product Description

Shaft material: Seamless high tensile pipe, confirms to ASTM A500 GRADE B or other customized material.

Helical MaterialASTM A36 hot rolled plate.

Corrosion protection confirms to ASTM153 stanard for hot dipped zinc coating.

Round shank anchors are hot dip galvanized to meet ASTM Specification A153.

Leading edge of helices beveled 45 degrees.

Greater section modulus strength to resist twisting and deflection.

Greater load capacities.




shaft Size


 Wall Thick


 Helix Thick


Helical Lead

Length (ft) 

 Helix Size


 Extension Length (ft)
 2.875OD  0.262  3/8 or 1/2  3ft/5ft/7ft/10ft 8/10/12/14  3ft/5ft/7ft/10ft 
 3.0OD 0.238  3/8 or 1/2  3ft/5ft/7ft/10ft 8/10/12/14   3ft/5ft/7ft/10ft 
 3.50OD 0.254/0.300   3/8 or 1/2  3ft/5ft/7ft/10ft 8/10/12/14   3ft/5ft/7ft/10ft 
 4.50OD 0.290/0.337  3/8 or 1/2   3ft/5ft/7ft/10ft 8/10/12/14   3ft/5ft/7ft/10ft 
 5.50OD 0.362   3/8 or 1/2  3ft/5ft/7ft/10ft 8/10/12/14   3ft/5ft/7ft/10ft 
6.625OD  0.562   3/8 or 1/2  3ft/5ft/7ft/10ft 8/10/12/14   3ft/5ft/7ft/10ft


Packaging & Shipping

1. Packaging: Usually we shipping the products in 20ft’ container, or according to your demand.
2. Shipping: 6-8 weeks after confirming your order.


Our Service

OEM service is available, different materials and specifications can be customized according to your demands. From producing in our factory to shipping the goods directly to your port or company, we supply all-in-1 service for our customers. With the rich experience of dealing with shipping issue and custom clearance, we can make the most economical delivery plan for you and ensure the quick leading time.


Company Profile

Better Screw Co. is a subsidiary of Better Group Corp. Better Group Corp have several different subsidiaries focus on different fields such as Metal work, CNC Equipment, Investment, Construction, and Real Estate business. Better Screw Co. is the first class helical screws products supplier for Residential, Commercial and Industrial Projects as well as Underpinning and Anchoring. We offer a full range of helical piles, push piers, helical plates, lead sections, steel extensions, helical brackets, as well as all the accessories needed to put your job together. During the past 10 years, our reliable quality, crazy prices and professional service had been confirmed by customers from the USA, Canada, Australia, Europe, Asia and many other countries from all over the world.



1.Are your products the same as the ones in our local market?

Yes, our welding performed to America Standard AWS D1.1&EURO Standard EB287 and we manufactured millions of helical piers and a series of accessories for North American/Europen/Australian etc market during the past 10 years and very familliar with every detail of these products. We believe that there is no company in China is more professional than us on this product.


2. Is OEM service available?
Yes, OEM service is available, different materials and specifications can be customized according to your demands.


3. What is the minmum order quantity?

The MOQ for helical piers is 10tons for per specification. You can mix different sizes of posts to make up a full container. If you want to know the MOQ for other products, please feel free to contact us.



4. How long is your lead time?

Usually our production time for 1 container goods is about 5 to 8 weeks. If you order  many containers 1 time, our production time for the first container load is about  5 to 8 weeks, and the rest containers can be finished every 7 to 10 days apart. And the shipping time depends on your place of delivery.


5. What is your payment term?

Our payment term is the same as the most popular way of international trade, which is T/T.  We can receive the payment 1-3 days after you made payment.

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After-sales Service: Online Technical Support
Warranty: 50 Year Product Warranty
Transport Package: Customized
Trademark: Better Screw
Origin: China
US$ 55/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

screw jack

Can screw jacks be used in conjunction with manual or motorized operation?

Yes, screw jacks can be used in conjunction with both manual and motorized operation, providing flexibility and adaptability to various applications. Screw jacks are versatile devices that can be powered by either human effort or motorized systems. Here’s how screw jacks can be utilized with manual and motorized operation:

  • Manual Operation: Screw jacks can be operated manually by applying force to the input shaft or using a handwheel. This manual operation allows for precise control over the lifting or lowering process. It is commonly used in applications where the load is relatively light, adjustments need to be made incrementally, or where power sources may not be readily available. Manual operation provides simplicity, ease of use, and cost-effectiveness.
  • Motorized Operation: Screw jacks can also be motorized for automated and efficient operation. Electric motors or hydraulic systems can be integrated with screw jacks to provide power-assisted lifting or lowering. Motorized operation offers advantages such as increased speed, higher lifting capacities, and the ability to handle heavier loads. It is particularly useful in applications where repetitive or frequent adjustments are required, or where large loads need to be lifted or positioned quickly.
  • Combination of Manual and Motorized Operation: In certain applications, screw jacks can be used in combination with both manual and motorized operation. This hybrid approach provides the benefits of manual control for fine adjustments and motorized power for heavier lifting or faster operation. For example, a manual handwheel can be used for initial positioning or precise adjustments, while an electric motor can be engaged for larger-scale movements or when power assistance is needed. This combination allows for versatility and adaptability to different load requirements and operating conditions.

The choice between manual and motorized operation depends on factors such as the nature of the application, load requirements, desired speed, available power sources, and operator preferences. Screw jacks offer the flexibility to switch between manual and motorized operation, making them suitable for a wide range of industries and applications, including manufacturing, construction, automotive, and entertainment.

screw jack

How do screw jacks enhance the performance of lifting and leveling applications?

Screw jacks are versatile mechanical devices that enhance the performance of lifting and leveling applications in several ways. Here are some ways in which screw jacks contribute to improved performance:

  • Precise Positioning: Screw jacks offer precise positioning control, allowing for accurate adjustment of height or level. The threaded screw mechanism provides fine incremental movements, enabling operators to achieve the desired position with high precision. This level of control is crucial in applications where precise alignment, leveling, or height adjustment is required.
  • Heavy Load Capacity: Screw jacks are capable of lifting and supporting heavy loads. They are designed to handle substantial weight and provide reliable load-bearing capabilities. The mechanical advantage of the screw thread allows for efficient transfer of force, enabling screw jacks to handle loads that would be impractical or challenging for other lifting mechanisms.
  • Stability and Safety: Screw jacks offer stability and safety during lifting and leveling operations. The threaded screw mechanism ensures that the load remains secure and stable in the desired position, minimizing the risk of accidental movement or shifting. Screw jacks are designed with safety features such as locking mechanisms or braking systems to prevent unintended lowering or sudden movements, enhancing overall safety for both operators and the lifted load.
  • Adjustability and Flexibility: Screw jacks provide adjustability and flexibility in lifting and leveling applications. They can be easily adjusted to accommodate different heights or levels, making them suitable for a wide range of applications. Screw jacks are available in various sizes, load capacities, and configurations, allowing for customization and adaptation to specific requirements.
  • Reliability and Durability: Screw jacks are known for their reliability and durability. They are constructed with robust materials and designed to withstand heavy loads, frequent use, and harsh operating conditions. The screw thread mechanism is inherently resistant to wear and provides excellent load-holding capabilities, ensuring long-term performance and reliability.
  • Manual or Motorized Operation: Screw jacks can be operated manually or with motorized systems, providing flexibility in choosing the appropriate mode of operation based on the specific application. Manual screw jacks are often used when precise control is required, while motorized screw jacks offer increased speed and automation for lifting or leveling larger or heavier loads.

By offering precise positioning, high load capacity, stability, adjustability, reliability, and flexibility in operation, screw jacks significantly enhance the performance of lifting and leveling applications. Their versatility and ability to handle heavy loads make them a preferred choice in various industries where controlled lifting, leveling, or positioning is essential.

screw jack

Can screw jacks be adapted for both vertical and horizontal lifting applications?

Yes, screw jacks can be adapted for both vertical and horizontal lifting applications. Screw jacks are versatile mechanical devices that can be configured and mounted in various orientations to accommodate different lifting requirements. Here’s how screw jacks can be adapted for vertical and horizontal lifting applications:

  • Vertical Lifting: Screw jacks are commonly used for vertical lifting applications. In vertical lifting configurations, the screw jack is mounted in a vertical position, with the load being lifted or lowered along the vertical axis. Vertical lifting applications include lifting platforms, stage equipment, heavy machinery, and other scenarios where vertical movement is required. Screw jacks designed for vertical lifting typically feature self-locking mechanisms to ensure load stability when the screw is not being rotated. The load is supported by the screw jack’s structure, which is constructed to handle the vertical forces exerted during lifting.
  • Horizontal Lifting: Screw jacks can also be adapted for horizontal lifting applications. In horizontal lifting configurations, the screw jack is mounted in a horizontal position, and the load is moved horizontally or at an angle. Horizontal lifting applications can include conveyor systems, sliding gates, adjustable workstations, and other scenarios where linear movement is required along a horizontal plane. To adapt a screw jack for horizontal lifting, additional support mechanisms may be employed to counteract the gravitational forces acting on the load. These support mechanisms can include guide rails, linear guides, or additional bracing to maintain stability and control during horizontal movement.
  • Angular Lifting: Screw jacks can be further adapted for angular lifting applications where the load needs to be lifted or lowered along an inclined or diagonal plane. Angular lifting configurations require careful consideration of the load’s weight distribution, the angle of inclination, and the stability of the supporting structure. By appropriately positioning and supporting the screw jack, angular lifting applications can be achieved with precision and control.
  • Mounting Flexibility: Screw jacks offer flexibility in terms of mounting options, allowing them to be adapted for various orientations. The mounting flexibility enables screw jacks to be integrated into different lifting systems and structures. Depending on the specific requirements of the application, screw jacks can be mounted using flanges, brackets, or other mounting accessories. This adaptability facilitates the use of screw jacks in both vertical and horizontal lifting applications.

In summary, screw jacks can be adapted for both vertical and horizontal lifting applications. By considering factors such as load requirements, gravitational forces, stability needs, and mounting flexibility, screw jacks can be configured and mounted to provide stable and controlled lifting in various orientations.

China Standard Screw Piling Foundation Ground Foundation Helical Piles for Residential Square Bar Shaft Helical Piles & Extension   shaft screw adapterChina Standard Screw Piling Foundation Ground Foundation Helical Piles for Residential Square Bar Shaft Helical Piles & Extension   shaft screw adapter
editor by Dream 2024-04-19