Rigging Screws | Straining Screws | RS
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    Rigging Screws

    Rigging screws and turnbuckles, also known as straining screws or bottlescrews, are a simple piece of equipment used to adjust the tension of wires and ropes or to secure loads.

    Rigging screw and turnbuckle are interchangeable terms, commonly the term rigging screw refers to a fitting with an enclosed body hiding the threaded section, whereas a turnbuckle will have an open body, exposing the threaded section. Both fittings can be used under the same application but turnbuckles are generally smaller and have a greater ability to be tightened under load.

    How do Rigging Screws work?

    To use a rigging screw and turnbuckles you attach the wires or ropes than need to be tensioned to the fittings at either end. Rotating the body of the rigging screw pulls the ends towards one another, causing the rope to tighten, or away from each other, causing it to loosen. This piece of equipment can have different ends depending on your needs – hooks, eyes or jaws, or a combination of two of these. Jaws usually have pins to keep them securely in place and eyes are available in a range of diameters. Closed body fork (or jaw end) rigging screws can be directly attached to an eyebolt without the need for extra shackles or fasteners. Rigging screws can also be swaged (crimped) to wire rope.

    What are Rigging Screws used for?

    Rigging screws are used in applications where a rope needs to be held at a certain tension. They can also vary in thread size, depending on the size of the rope. You'll have seen them in action on the ropes around a boxing ring, the cables of a suspension bridge or in the rigging of a boat.

    Material and Sizes

    Available in steel and stainless steel with a galvanised or polished finish and a range of open and closed lengths.

    14 Products showing for Rigging Screws

    RS PRO
    Steel
    Electro Galvanised
    Hook to Eye
    M8
    -
    126g
    10mm
    184mm
    Hook
    Eye
    264mm
    RS PRO
    Stainless Steel
    Electro Polished
    Jaw to Jaw
    M5
    -
    900g
    5mm
    130mm
    Jaw
    Jaw
    190mm
    RS PRO
    Stainless Steel
    Electro Polished
    Jaw to Jaw
    M8
    -
    160g
    8mm
    165mm
    Jaw
    Jaw
    240mm
    RS PRO
    Steel
    Galvanised
    Jaw to Jaw
    M10
    7.5cwt
    470g
    8mm
    235mm
    Jaw
    Jaw
    349mm
    RS PRO
    Steel
    Electro Galvanised
    Hook to Eye
    M10
    -
    208g
    14mm
    222mm
    Hook
    Eye
    311mm
    RS PRO
    Steel
    Electro Galvanised
    Hook to Eye
    M12
    -
    454g
    16mm
    241mm
    Hook
    Eye
    324mm
    RS PRO
    Steel
    Electro Galvanised
    Hook to Eye
    M6
    -
    59g
    9mm
    172mm
    Hook
    Eye
    258mm
    RS PRO
    Stainless Steel
    Electro Polished
    Jaw to Jaw
    M10
    -
    360g
    9.5mm
    190mm
    Jaw
    Jaw
    270mm
    RS PRO
    Stainless Steel
    Electro Polished
    Jaw to Jaw
    M12
    -
    620g
    12mm
    245mm
    Jaw
    Jaw
    360mm
    RS PRO
    Steel
    Galvanised
    Jaw to Jaw
    BSW 5/8
    15cwt
    1.4kg
    12mm
    381mm
    Jaw
    Jaw
    550mm
    RS PRO
    Steel
    Galvanised
    Jaw to Jaw
    BSW 3/4
    22cwt
    2.3kg
    16mm
    387mm
    Jaw
    Jaw
    550mm
    RS PRO
    -
    Galvanised
    -
    16mm
    1.2t
    830g
    -
    384mm
    -
    -
    569mm
    RS PRO
    -
    Galvanised
    Jaw to Jaw
    12mm
    0.7t
    850g
    -
    320mm
    -
    -
    479mm
    RS PRO
    -
    Galvanised
    -
    12mm
    0.7t
    530g
    -
    323mm
    -
    -
    478mm
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