China Best Sales Square Shaft Helical Piers for Residential 1/4 shaft collar with set screw

Product Description

Square bar shaft helical piles  

Product Description


  • Square CHINAMFG Bar Helical pile also called Square CHINAMFG Bar PilingSquare Bar Helical AnchorSquare Shaft Helical piles etc.

  • Bar Material: ASTM 5140 or ASTM 1045 steel, round corner 5mm radius

  • Helix Plate material conforms to ASTM  A36 hot rolled plate

  • Helix thickness are available in 3/8″ and 1/2″

  • All helix leading edges sharpened and rock cut and 45 degrees

  • Corrosion protection to conform to ASTM A123 standard for Hot-Dipped Galvanized

  • A better conventional solid steel with extra-high strength

  • Avoid heat damage on shaft caused by upset coulping process


    Lead Length (ft)

    Helix Size (inch)

    Extension Length(ft)













    Detailed Photos

    Packaging & Shipping

    Company Profile

    Who We Are

    Better Screw Co. is the leading OEM supplier in the helical pile and foundation repair industry. We are 1 subsidiary corporation of BG Corp. BG Corp has several different brands focus on different fields such as foundation and construction products, traffic safety products, CNC Equipment and investment business.


    What We Do

    We OEM helical pile and related products. We don’t design products, we make them according to the size and design that our customer nominated. We supply same even better quality, but much competitive price, this is what we do.


    Our Feature

    The most professional helical pile OEM manufacturer.

    The largest oversea helical pile supplier for the USA and Canada market.

    The most experienced foundation bracket and helical tieback manufacturer of Asia.

    The largest exporter in helical pile industry. We exported millions of quality products for the clients from the USA, Canada, Australia, New Zealand, Europe, Asia and all over the world.

    As an OEM company, we made all kinds of different helical piles from round to square shaft, from 1 helix to several, from small to large diameter, from bare steel to galvanized and paint finish. We provided services for customers from America to Europe, from Asia to Middle East. Our clients cover foundation repair, new construction, solar, deck, dock, traffic safety, pipeline, garages, agriculture and industrial markets.


    Our Mission

    Better price. Better quality. Better service.

    We can take charge of the whole process from producing to shipping the products directly to your company. Even if you never imported, please don’t worry. Our shipping agent in your country can deal with the customs clearance and inland transportation issues for you. You just need to stay in your warehouse to check our products, it’s so simple!

    Please feel free to contact us if you want to lower your cost and become more competitive. We will inject new energy to make your company be more aggressive.


    1. What specifications of helical piles can you make?

    We can make helical piles and related accessories of any specifications required for your project. Just tell us the size and material you need and we will produce according to your requirements. You design, we make, that’s our business.

    2. Do your products meet our local standards and fully meet our needs?

    Of course, because we are engaged in OEM business, which means we produce according to customer’s specified standards, dimensions, and materials, For example, for North American customers, we typically produce according to ASTM A500 Grade B and ASTM A 500 Grade C material standards and ASTM A 123 hot-dip galvanizing standards. For European customers, we usually adhere to European EB 287 welding standards. The product standards and design are the same as your local standards, with the main difference being that our costs are more competitive.
    3. What’s the MOQ?

    Our customers generally use 20 or 40-foot containers for transportation. The loading capacity of the container depends on the shape, length and weight of the product. You can provide us with the specific specifications and let us help you to calculate it.

    4. How about your lead time?
    Usually, the production time for 1 container is about  6 to 8 weeks . If you order many containers 1 time, our production time for the first container load is about  6 ~ 8 weeks , and the rest containers can be finished every  7 ~ 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: 50 Years
Warranty: 50 Years
Product Name: Square Bar Shaft Helical Pile
Bar Material: 40cr or 45# Steel
Helix Plate Material: Conforms to ASTM A36
Helices Thickness: 3/8" and 1/2"
US$ 100/Piece
1 Piece(Min.Order)

Request Sample



Customized Request

screw jack

How do screw jacks compare to other methods of lifting and adjusting loads?

When comparing screw jacks to other methods of lifting and adjusting loads, several factors come into consideration. Here’s a comparison of screw jacks with other commonly used methods:

  • Hydraulic Systems: Screw jacks offer several advantages over hydraulic systems:
  • Control and Precision: Screw jacks provide precise control and incremental adjustments. Hydraulic systems, on the other hand, may have limitations in terms of fine-tuning and precise positioning.
  • Self-Locking: Screw jacks have a self-locking feature, which means they can hold positions without the need for continuous hydraulic pressure. Hydraulic systems typically require constant pressure to maintain position, which can be a disadvantage in certain applications.
  • Simplicity and Maintenance: Screw jacks are generally simpler in design and require less maintenance compared to hydraulic systems. Hydraulic systems involve additional components such as pumps, hoses, valves, and hydraulic fluid, which can introduce complexity and maintenance requirements.
  • Load Capacity: Screw jacks are available in a wide range of load capacities, making them suitable for both light-duty and heavy-duty applications. Hydraulic systems can handle higher loads but may be less suitable for precise adjustments in lighter load ranges.
  • Pneumatic Systems: Screw jacks offer several advantages over pneumatic systems:
  • Precision and Control: Screw jacks provide precise and controlled adjustments, allowing for accurate positioning. Pneumatic systems may have limitations in terms of fine-tuning and precise control.
  • Self-Locking: Screw jacks have a self-locking feature, which allows them to hold positions without the need for continuous pneumatic pressure. Pneumatic systems require continuous pressure to maintain position, which can be a drawback in certain applications.
  • Energy Efficiency: Screw jacks are typically more energy-efficient compared to pneumatic systems since they do not require a constant supply of compressed air.
  • Load Capacity: Screw jacks can handle a wide range of load capacities, making them suitable for various applications. Pneumatic systems may have limitations in terms of handling heavy loads.
  • Electric Actuators: Screw jacks offer several advantages over electric actuators:
  • Load Capacity: Screw jacks are capable of handling high loads and are suitable for heavy-duty applications. Electric actuators may have limitations in terms of load capacity.
  • Self-Locking: Screw jacks have a self-locking feature, which allows them to hold positions without the need for continuous electric power. Electric actuators may require continuous power to maintain position.
  • Precision and Control: Screw jacks provide precise control and incremental adjustments. Electric actuators can offer precise positioning but may have limitations in terms of fine-tuning and incremental adjustments.
  • Cost-Effectiveness: Screw jacks are often more cost-effective compared to electric actuators, making them a preferred choice in certain applications.

It’s important to note that the choice between screw jacks and other methods depends on the specific requirements of the application, such as load capacity, precision, control, maintenance, and cost considerations. Each method has its strengths and limitations, and manufacturers and engineers evaluate these factors to determine the most suitable solution for a particular lifting or adjusting task.

screw jack

How do screw jacks ensure smooth and controlled linear movement of loads?

Screw jacks are designed to ensure smooth and controlled linear movement of loads. They employ several mechanisms and features that contribute to this capability. Here are some ways in which screw jacks achieve smooth and controlled linear movement:

  • Threaded Screw and Nut Mechanism: Screw jacks consist of a threaded screw and a matching nut. The screw is rotated using a handle or a motor, causing it to move linearly through the nut. The thread geometry allows for smooth and controlled movement as the screw advances or retracts. The precision of the screw thread ensures that the load moves linearly without jerks or sudden changes in speed.
  • Low Friction and High Efficiency: Screw jacks are designed to minimize friction and maximize efficiency. The components of the screw jack, such as the screw, nut, and bearing surfaces, are manufactured with smooth and precise finishes. This reduces frictional forces and minimizes energy losses during operation. The low friction characteristics enable smooth movement and ensure that a significant portion of the input force is translated into lifting or lowering the load.
  • Load Distribution and Stability: Screw jacks are designed to distribute the load evenly across the screw thread and nut. This ensures that the load is supported and guided in a stable manner during linear movement. The load-bearing components of the screw jack, such as the housing and base, are constructed to provide adequate strength and rigidity, minimizing deflection and maintaining stability throughout the lifting or lowering process.
  • Anti-Backlash Mechanisms: Backlash refers to the slight axial movement or play that can occur between the screw and the nut in a screw jack. To minimize backlash and ensure precise control, screw jacks often incorporate anti-backlash mechanisms. These mechanisms, such as preloading springs or adjustable backlash nuts, reduce or eliminate any free movement, allowing for more accurate and controlled linear motion of the load.
  • Overload Protection: Screw jacks may include overload protection features to prevent damage or failure in the event of excessive loads or unexpected conditions. These features can include mechanical stops, shear pins, or overload clutches that disengage or limit the load-carrying capacity of the screw jack when predetermined limits are exceeded. Overload protection mechanisms contribute to the safe and controlled movement of loads.

By employing a threaded screw and nut mechanism, minimizing friction, ensuring load distribution and stability, incorporating anti-backlash mechanisms, and providing overload protection, screw jacks enable smooth and controlled linear movement of loads. These features make screw jacks suitable for a wide range of applications where precise positioning, lifting, or lowering with controlled speed and stability is required.

screw jack

Which industries and sectors commonly rely on screw jacks for their operations?

Screw jacks find applications in various industries and sectors where lifting heavy loads, adjusting height, or precise positioning is required. Here are some of the industries and sectors that commonly rely on screw jacks for their operations:

  • Manufacturing: Screw jacks are extensively used in manufacturing industries for tasks such as lifting and positioning heavy equipment, adjusting assembly line heights, and aligning components during production processes.
  • Construction: The construction industry utilizes screw jacks for tasks like lifting and stabilizing structural elements during building construction, adjusting formwork and scaffolding heights, and positioning heavy machinery or materials.
  • Automotive: In the automotive sector, screw jacks are employed for lifting vehicles during maintenance and repairs, adjusting conveyor heights in assembly lines, and positioning components during manufacturing processes.
  • Transportation and Logistics: Screw jacks are used in transportation and logistics for tasks such as adjusting loading dock heights, raising or lowering platforms on trucks or trailers, and positioning cargo handling equipment.
  • Entertainment and Events: The entertainment and events industry relies on screw jacks for stage setups, lifting and adjusting lighting equipment, raising or lowering platforms for performers, and creating dynamic stage effects.
  • Aerospace and Defense: Screw jacks are utilized in the aerospace and defense sectors for applications such as adjusting heights of launch platforms, positioning aircraft components during assembly, and operating heavy-duty doors or hatches.
  • Material Handling and Warehousing: Screw jacks are found in material handling and warehousing operations for tasks like adjusting conveyor heights, lifting heavy pallets or containers, and positioning racks or shelves.
  • Mining and Heavy Machinery: The mining industry and sectors involving heavy machinery utilize screw jacks for lifting and positioning equipment, adjusting conveyor heights, and supporting heavy loads in various mining operations.
  • Energy and Utilities: Screw jacks are employed in energy and utility sectors for tasks such as adjusting heights of solar panels or wind turbines, raising or lowering equipment in power plants, and positioning components in utility infrastructure.
  • Medical and Rehabilitation: In the medical and rehabilitation fields, screw jacks are used for height adjustment of medical beds, positioning of imaging equipment, and providing adjustable support systems for patients.

This list is not exhaustive, and screw jacks may find applications in other industries and sectors beyond those mentioned. The versatility, load capacity, and precise control offered by screw jacks make them valuable tools in a wide range of operations requiring lifting, adjusting, or positioning heavy loads.

China Best Sales Square Shaft Helical Piers for Residential   1/4 shaft collar with set screwChina Best Sales Square Shaft Helical Piers for Residential   1/4 shaft collar with set screw
editor by CX 2024-01-16

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