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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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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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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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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These are 4 tonne rated per Jack.
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Setting Tool suitable for M4 - M8. Place into a pre-drilled hole and tighten, the body splayes on the blind side of the material. Also known as Spyder Jack Nuts or Pop Jack Nuts. A versatile insert nut for brittle, thin, or soft materials.
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You are bidding on 3 boxed 300mm brass finish screwjacks. Three in boxes , two never used, one fitted but wrong size so never actually used . Grab a bargain as over £18 each new. Price is for all 3
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Working order As found condition
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