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Screw Jacks

High-Quality Screw Jacks for Scaffolding & Formwork

At S.A. Industries (SAI), we manufacture a complete range of screw jacks designed for precise height adjustment, stability, and load-bearing support in scaffolding and formwork applications. Our heavy-duty steel jacks ensure a secure foundation on uneven surfaces, providing maximum safety and efficiency in construction projects. 

Types of Screw Jacks We Offer

Base Jack (Adjustable Base Plate) 

  • Provides stability on uneven ground 
  • Adjustable height to align scaffolding structures 
  • Heavy-duty steel construction with a galvanized or painted finish 
  • Available in different thread sizes and lengths 
U-Head Jack (U-Head Screw Jack) 
  • Designed to support formwork beams and panels 
  • Wide U-shaped head for secure placement of wooden or steel members 
  • Strong threading for precise height adjustment 
  • Available in multiple sizes and load capacities 
Swivel Base Jack 
  • Allows for angular adjustments on sloped or irregular surfaces 
  • Ideal for use on uneven terrains in scaffolding and formwork 
  • Heavy-duty nut and thread for reliable load-bearing performance 
  • Corrosion-resistant finish for long-term durability 

Fork Head Jack (Fork Top Jack) 

  • Specifically designed for formwork support applications 
  • Forked top securely holds horizontal beams and supports 
  • Adjustable height for accurate leveling 
  • High-strength steel with rust-resistant coating 
Heavy-Duty Adjustable Screw Jack 
  • Used for high-load applications in scaffolding and formwork 
  • Precision-engineered threads for smooth adjustments 
  • Superior strength and durability for heavy-duty construction 
  • Custom sizes available upon request

Why Choose SAI’s Screw Jacks? 

High-tensile steel for durability and reliability 
Custom sizes and configurations to meet project-specific requirements 
Engineered for maximum stability and load-bearing capacity 
Corrosion-resistant finishes (galvanized or powder-coated) for longevity 
Consistent stock availability and timely global delivery 

Applications of Our Screw Jacks 

Scaffolding support for construction and maintenance work 

Formwork systems in commercial and residential projects 

Bridge and infrastructure construction 

Industrial and warehouse applications 

At S.A. Industries, we ensure that our screw jacks meet international safety and quality standards, making them a trusted choice for contractors, builders, and scaffolders worldwide. 


Contact us today for bulk orders and custom specifications! Let’s build with precision and strength together. 

Our Product Range

Shoring
Scaffolding
Formwork
Tilt-Up
Masonry