Ring Lock Scaffolding System for Residential Construction

Adjustable Screw Jacks for System Scaffolding

System Scaffolding Screw Jack is the adjustable base for modular system scaffolding. It provides not only heavy duty load bearing support to the scaffolding, but also provide leveling adjustment.

Solid screw jack is made by the solid steel rod with dia.37.5mm after rolling the thread. Hollow screw jack is made by O.D 38x5mm or 5.5mm sealess steel tube.

The jack nut is made by cast steel and to hold O.D 48.3mm scaffolding tube or O.D 60.3mm Shoring scaffold tube. Base plate is made by 6-8mm carbon steel.

  • Item NO.:

    SBJ, HBJ
  • Lead Time:

    20days
  • Product Origin:

    Guangzhou, China
  • Shipping Port:

    Guangzhou, China
  • Payment:

    T/T, L/C at sight
  • Min order:

    200PCS
  • Color:

    Galvanized Colour
  • Material:

    Steel
  • Product Detail

Solid Base Jack / Screw Jack for System Scaffolding

Code Description Specification Size (Imperial) Weight (kg) Weight (lbs)
SBJ.37070 Solid Base Jack Tr37x700mm, 150x150x8mm 28" 7.28  16.05 
SBJ.37060 Tr37x600mm, 150x150x8mm 24" 6.52  14.38 



Hollow Base Jack / Screw Jack for System Scaffolding

Code Description Specification Size (Imperial) Weight (kg) Weight (lbs)
HSJ.38070 Hollow Base Jack Ø38x5x700mm, 150x150x8mm 28" 4.84  10.67 
HSJ.38060 Ø38x5x600mm, 150x150x8mm 24" 4.43  9.77 



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