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.


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รายละเอียดสินค้า / Description ราคา / Price Material Finish End Fittings Thread Size Working Load Limit Weight Eye Diameter Closed Length End A Fitting End B Fitting Open Length
RS Stock No. 124-4847
Brand :RS PRO
THB4,454.07
Each
Units
- Galvanised - 16mm 1.2t 830g - 384mm - - 569mm
RS Stock No. 183-5958
Brand :RS PRO
THB2,092.71
Each
Units
Stainless Steel Electro Polished Jaw to Jaw M8 - 160g 8mm 165mm Jaw Jaw 240mm
RS Stock No. 124-4846
Brand :RS PRO
THB2,201.83
Each
Units
- Galvanised - 12mm 0.7t 530g - 323mm - - 478mm
RS Stock No. 183-5942
Brand :RS PRO
THB1,276.62
Each
Units
Stainless Steel Electro Polished Jaw to Jaw M5 - 900g 5mm 130mm Jaw Jaw 190mm
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