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.
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