Support Screw Jacks

• Swivel style jack stand for precision lift support

• Easy to turn handle - allows for accurate height extension, easy height adjustment

• Lifting handle for ergonomic movement of jack stands, built-in carrying handle for easy positioning

• Wide base - better stability & surface area for jack support

• Screw style stand makes it easy to hold load at desired height and secure with locking collar

• Adjustable screw for Height extension and retraction

• Heavy duty design and application, High quality and stable steel housing

• Quality built professional screw style jack stand

• Quick adjustment to desired heights

• Reinforced welded Brackets to Support Load

• Greased height adjustable head cap

• Reinforced controlled height pin holes

• Durable baked enamel finish for corrosion resistance

• Easy and precise adjustment, Ease of use

• Convenient control and secure load retention

Capacity                                          5Ton-500Ton
Standard Lift                                  100 mm
Use                                                  lifting Up/Down, Support
Drive Mode                                     screw
Operation                                        manual operated
Condition                                        new
Color                                               yellow, red, blue and orange
Material                                           casting iron, steel
Safety factor                                  1.25 times
Certification                                   CE, ISO9001
Working humidity                          85%Rh or less
Package                                          plywood case, pallet
申报要素
H.S. Code                                       8425491000               
英文品名: SUPPORT SCREW JACK
中文品名: 千斤顶
材质：钢铁
用途：支撑
驱动方式: 手动
最大提升高度: 800mm (按实际）
最大提升重量: 50T (按实际）
品牌：无
型号：无

Support Screw Jack is the only stand that allows you to control the exact support height. This professional swivel-style jack stand has infinite height possibilities with its built-in easy to turn screw adjustment handle. This feature allows you to set your exact desired height, Adjustable screw handles make it simple and quick to hold a load at a desired height.
Support screw jacks are designed in a cylinder, tower or a tripod shape and are recommended for use in pairs to support jacks during routine tire changes, used for support in mining and construction projects, and for lifting and lowering general heavy objects. These jack stands support 5 or more tons of weight.
The simple mechanism holds the vehicle or machinery securely with an adjustable screw, handle and support pad (cover). It is designed for heavy-duty application and applicable for sites which require heavy-duty working. Featuring an ergonomic lifting handle and a wide base for better stability and surface area for jack support, It provides reliable fixation and safety when working with heavy loads.Jack Stands with Adjustable Screw Top cover are a reliable and versatile solution for heavy-duty lifting and support needs.
Its main function is to support objects. When it reaches approximately the desired height, the height is adjusted slightly, While the QL screw jack is used for lifting, utilizing the lever principle to apply force.
Jack Stands with Adjustable Screw Top cover are designed to support heavy loads and substantial weight of up to 500 tons, making it a vital component and ideal for a variety of industrial applications and perfect for diverse industrial tasks, including construction, semi-truck service, trailer stabilization, material handling, heavy equipment service at any maintenance garage, repair shop, automotive workshop, heavy engineering workshop. Ideal for the professional trade truck, bus, fleet service bay and construction site, Ideal for maintenance and industrial environments where secure, long-term support is essential. it can accommodate various objects easily.
 Support Screw jack stand is built for durability and it is a safety equipment, to safely and securely support and hold a lifted and raised vehicles, trucks, trailers, dozers, loaders and heavy components and machinery etc at a given height, It  is engineered to offer dependable support, so repair work or other maintenance procedures such as tire changes, brake repairs, or inspections can be performed by providing insurance during lifting.
This equipment provides a sturdy solution for lifting and securing heavy loads, allowing both professionals and DIY enthusiasts to work with confidence. It is practical when you use in your home maintenance.
By delivering a stable and adjustable platform, this stand helps minimize the dangers associated with working underneath heavy vehicles, addressing critical safety issues in any mechanical environment.
It can be served as a temporary supporting tool during transport for machines or equipment
They are made from high-quality, durable materials (The screw and inner cylinder are made of 40Cr steel, the nut is made of copper, the top plate is made of 45# steel, and the rest are made of Q235 steel.) that ensure long-lasting performance and resistance to wear and tear, they are an ultra-sturdy, durable, easy to move and easy to use floor stand system, which are offered in a variety of starting heights, and that can have a range of extensions dollies added to them to achieve the optimal height, in other words, Additional height increments can be achieved by adding extension dollies to this stand.
Ideal for use with Underground and heavy machinery such as boggers and articulated rear dumpers, and for a variety of small to medium sized surface machines, they offer the most stable stand available in its class.
It is also called screw jack stand, swivel-style jack stand, adjustable screw jack, screw adjustable jack stand, screw safety stand, Screw Style Jack Stand, screw type truck jack stand, screw adjustable Heavy-duty jack stands, Heavy duty screw style jack stand, Heavy-Duty Screw Adjustable Jack Stand, Extra-heavy-duty jack stand, Support Stand, high truck stand, fixed  height floor stand.

1. Top cover
           Support screw jack has a heavily constructed wide top cover with fully gusseted uprights to support those heavy  loads,
           Designed with an adjustable screw style top cover that provides better accuracy while supporting load, for more precise load support.

2. Copper nut

3. Thread rod
           Made of 40Cr steel
           Features an adjustable screw for height extension and retraction.
           Infinitely adjustable strong screw thread for height positioning.
           The lifting column is easy to position and adjust.
           The screw adjustment mechanism allows for precise height modifications and customized height settings, accommodating and catering to a variety of vehicle or machinery sizes, ensuring optimal stability.
           The adjustable height feature increases versatility, making it suitable for everything from compact cars to larger trucks etc.

4. Handle
           A convenient grab-handle to facilitate easy movement of stand.
           Features a built-in screw mechanism that offers infinite height control between 100–500mm. The easy-to-turn adjustment handle allows users to set precise support height and lock it securely using the integrated collar—no preset positions or pin holes required.
         Handle for ease of use---Handle design facilitating easy positioning and carrying.

5. Base
           Wide stability base with swivel screw head: Equipped with a base plate made from thick steel for improved balance on uneven ground. The swivel screw head automatically centers the load, ensuring optimal weight distribution for safe, stable support of large vehicles and machinery.
           Simple design and monolithic base make it easy to work with heavy loads, thick solid steel base plate for added stability
           The wide base design offers excellent stability, evenly distributing weight to prevent tipping or shifting during use.
           Thick solid steel base plate for enhanced stability
           The stability afforded by the wide base diminishes the risks of accidents while working

6. Shell
           Heavy duty steel fabricated, seam welded frame.
           Heavy duty steel design - will withstand constant usage
           Solid and heavy welded steel plate, heavy gauge steel construction - prevents distortion, large steel fabricated seam welded base plate for stability and safety.
           Compact design for easy operation and safety.
           High-quality and stable steel housing, corrosion-free---Crafted from high-quality materials, it ensures durability and resistance to wear over time.
           The sturdy construction guarantees long-lasting performance, allowing for repeated use without sacrificing safety.

7. Inner cylinder
           Made of 40Cr steel

8. Swivel-style
           Screw Style Jack Stand is the only stand that allows you to control the exact support height. This professional swivel-style jack stand has infinite height possibilities with its built-in easy to turn screw adjustment handle.

Working video of swivel function: https://youtube.com/shorts/gBQc1ykk5sQ?feature=share

9. Tilting arrangement
           Tilting function: 6-degree tilt (±3 degree)

Working video of tilting function: https://youtube.com/shorts/8gE2SHhOIPM?feature=share

10. Holes
           4 holes on the bottom plate, average and evenly distributed on the plate

11. Test load
           1.25 times test load guarantee safety completely

12. Support Screw Jack with Minimum Height

13. Support Screw Jack with Maximum Height

This combination of attributes makes this model an outstanding choice for those needing reliable support
           Overall, this jack stand enables users to complete tasks more efficiently and with greater confidence.
           Choosing this jack stand provides numerous advantages to users.
           Whether you’re working with a tall jack for lifted trucks or need screw jacks for agricultural equipment, the RAMHOIST jack stand delivers reliable, safe support where it matters most.

14. Different kinds of Support Screw Jacks

Instructions:
           (1)  Placing the support top on the citizen and not tilting the work
           (2)  In order to ensure safety, it is best to cushion the top of the support with tough wood (but not with the oil-stained wood or iron plate)
           (3)  Top screw lift height can not exceed the warning line above, according to the support of the top specification limit within the maximum lifting height
           (4)  The action range of the hands shall be without obstructions, and after setting the support height, the supporting top will be placed in the appropriate position to support the heavy load.
           (5)  The support screw jack should be moved as a whole and cannot be disassembled.
           (6)  When multiple support screw jacks are supporting heavy objects simultaneously, it is important to select appropriate points of leverage and maintain the same support height to avoid potential danger.
           (7)  Regularly inspect it for signs of wear or damage, and keep it clean and free from debris to ensure optimal performance.
           (8)  Please avoid using under heavy work for a long time

Support Screw Jack Operating Instruction