Adjustable Thread Screw jacks l ocate in the bottom of the standards and are used to safely adjust the scaffold legs. This may be necessary when different working heights are encountered or when the scaffold is mounted on sloped surfaces.
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JACK NUTS THREADED INSERT SCREW ANCHORS M4 M5 M6. M4 X 0.7 Pitch. M5 X 0.8 & M6 X 1 Pitch. They can also be used in many other applications. Material - Zinc Plated Steel.
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The base jacks provide. Safe Working Load Base Plate Size 150mm x 150mm x 5mm thick. BS4360/43A, BS1139 & EN74 standards.
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Underlay Direct Ltd. ● Base Plate Size 150mm x 150mm x 5mm thick. ● Safe Working Load 4 Tonne. You will receive 4 x Adjustable legs.
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A traditional window opener or screw jack is threaded brass rod that when twisted using an opener pole or handle extends to open your window or roof vent. 300mm - 12". Traditional Screw Jack Window Winders.
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Vintage folding jack handle,measures approx 37" long unfolded.
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A traditional window opener or screw jack is threaded brass rod that when twisted using an opener pole or handle extends to open your window or roof vent. 300mm - 12". Traditional Screw Jack Window Winders.
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A traditional window opener or screw jack is threaded brass rod that when twisted using an opener pole or handle extends to open your window or roof vent. Window Screw Jack Screw Jack Winders. Just fit a winder pole into the screw jack and wind it; and the window will open.
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