| Specification | Details |
|---|---|
| Product Name | Hollow Base Jack |
| Nut Type | Drop-Forged Jack Nut |
| Pipe Sizes Available | 450 × 38 × 4 mm600 × 38 × 4 mm660 × 38 × 4 mm760 × 38 × 4 mm |
| Base Plate Size | 150 × 150 × 5 mm |
| Material | Mild Steel |
| Finish | Zinc Plated |
| Application | Scaffolding, Formwork Support, Height Adjustment |
| Packing | Standard export packaging |
Material Strength & Durability
Built from strong mild steel with a 38×4 mm pipe, the jack offers a balance of strength and weight. The zinc-plated finish helps protect against rust, moisture, and long-term outdoor exposure.
Applications in Construction
This jack is commonly used in:
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Cuplock and Ringlock scaffolding
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Formwork and shuttering supports
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Slab and beam construction
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Façade scaffolding setups
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Heavy-duty leveling on site
Why Contractors Prefer This Adjustment Jack
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Strong threaded shaft
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Durable zinc plating
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Wide base for stability
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Compatible with all major scaffolding systems
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Lightweight and easy to handle
Perfect for projects where reliability, adjustability, and safety matter.
FAQ – Hollow Jack for Scaffolding
Q 1: What is a Hollow Jack for Scaffolding?
Ans: Hollow Jack for Scaffolding is an adjustable base jack used to level scaffold structures on uneven ground. It supports vertical load and keeps the entire system stable.
Q 2: What sizes are available?
Ans :It is available in 450 mm, 600 mm, 660 mm, and 760 mm lengths with a 38×4 mm pipe, suitable for most scaffolding systems.
Q 3: What type of nut does it use?
Ans : The jack uses a drop-forged jack nut, which provides smooth adjustment and high load-bearing strength.
Q 4: What is the purpose of the base plate?
Ans : The 150×150×5 mm base plate distributes load evenly on the ground, ensuring stability and reducing the risk of sinking or tilting.
Q 5: Is the hollow jack rust-resistant?
Ans : Yes. With a zinc-plated finish, it resists rust, moisture, and cement exposure, making it suitable for outdoor construction environments.
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