The 6-ton scaffold jacks are an adjustable component essential for providing temporary support and stability to the base of a scaffolding structure by maintaining levels on uneven ground. They are the ideal solution for raising, lowering and levelling scaffolds, ensuring a safe working environment. They are also compatible with Ringlock, Kwikstage, Cuplok and Haki system scaffolds.
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Adjustable screw jacks for sale
Each scaffold jack weighs approximately 4.5kg and comprises the following components: a base plate that is 150×150 and 6mm thick, a 4Tpi Acme thread hollow bar that is 650mm tall, and a large double-wing cast nut. This screw jack has an overall diameter of 38mm and is made from galvanised steel with a zinc coating for increased longevity.
This product has a maximum load capacity of 6 tonnes and has been rigorously safety and quality tested to BS4360/43A standards. The maximum height of a scaffold screw jack is 18 inches from the base; for mobile scaffolds, this should be 12 inches, ensuring that it never exceeds this. Ideally suited for scaffolds on construction and demolition projects, shoring, and underpinning works, they are also ideal for levelling staging, platforms, stands, bridges, tunnels, airports, or civil building works.
- They are also known as base jacks or scaffold screw jacks.
- Scaffold base jacks can be placed on sole boards or tredda plates to protect the ground.
- Installation is simple: place it on the ground, turn the wingnut to the height needed, and place the vertical tube over the jack so the pole sits on the nut.
- Scaffold jacks allow for precise height adjustments, ensuring the scaffold is at the correct level for the task.
- They add strength to a scaffold structure.
- You should ensure that it does not take on more than its stated capacity, keep lifted loads as low as possible and never screw past the maximum point.
- Swivel jacks are an alternative to standard ridged 6-ton scaffold jacks, which can sit in various directions.
- Before use, check that all components are working and not damaged.
Data Sheet
Dimensions and Specifications
| Specifications | Dimensions |
| Condition | NEW |
| Overall Height | 650mm |
| Base Plate Size | 150mm x 150mm x 6mm Thick |
| Thread | 4Tpi Acme x 38mm Diameter |
| Safe Working Load | 6-Tonne |
| Weight | 4.5kg Approx. |
| Standards | BS4360/43A, BS1139 & EN74 |
| Made From | Galvanised Steel |



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