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Rigging Shackles

A rigging shackle is a device used in load handling and rigging. It has a U-shaped body with a pin or bolt through the open end to secure a load. Shackles are commonly used in industrial, construction, and marine applications for attaching ropes, cables, or chains to objects for hoisting, lifting or towing.

Fulcrum Lifting offers rigging & lifting shackles from The Crosby Group®, Van Beest Green Pin®, and Columbus McKinnon.

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Below is a sampling of shackle styles we offer.

  • Anchor Shackles or Bow Shackles: Have a larger bow or “O” opposite of the shackle pin.
  • Chain Shackles or D Shackles: Have a “D” shaped bow that is more narrow than anchor shackles.
  • Long Reach Shackles: Are used where a longer reach is required to attach to load pick points.
  • ROV Shackles: Have different release operations that are specifically designed for use with a remotely operated vehicle (ROV).
  • Soft Shackles: Are constructed of HMPE high-modulus polyethylene) rope and used in place of traditional metal shackles. They are lightweight, high strength, easy handling, and abrasion resistant, among many other perks.
  • Synthetic Sling Shackles: Are designed to be used specifically with synthetic flat web or round slings. The wider bow helps increase the sling’s efficiency by reducing bunching or pinching which can damage the slings.
  • Wide Body Shackles or Sling Shackles: Have an increased bow radius. This increased bow radius promotes a better D/d ratio, eliminates the need for a thimble eye, and prevents bunching and kinking of slings.


  • Bow is the curved body portion of the shackle opposite of the pin. The bow can also be referred to as the bail, body, bowl, or dee.
  • Ears are at either end of the shackle body and support the shackle pin.
  • Pin is the steel bolt which spans the two shackle ears.
  • Shoulder is the contact point between the pin and ear. When the shoulder is in contact with the ear, the pin is fully engaged or threaded.

When selecting a shackle for your application, always ensure the working load limit (WLL) at least meets or exceeds the load for the application. Your shackle WLL should also be comparable to the other rigging hardware and slings being used.


  • Screw Pin Shackle uses a threaded pin inserted through the shackle ears and tightened down. The fast and easy connection and disconnection of these shackles make them convenient for “pick and place” applications. Screw pin shackles can be used in applications where side loading is present with consideration to the reduced WLL.
    *Screw pin shackles are not recommended for long-term or permanent applications.
    *Tighten the screw pin before each pick.
  • Round Pin Shackle uses a round, unthreaded pin which is secured by a cotter pin. Round pin shackles are only to be used in applications where the load is applied strictly in-line such as suspension, tie-down, or towing.
    *Round pin shackles are not recommended for overhead lifting applications, where multiple sling legs are used, or where side loading may occur.
  • Bolt-Type Shackle uses a nut, and cotter pin combination to secure the bolt in place. Bolt-type shackles are able to be used in any application a screw pin or round pin shackles are used. Bolt-type shackles can be used in applications where side loading is present with consideration to the reduced WLL. Bolt-type shackles are recommended for long-term or permanent applications.

To learn more about our alloy steel rigging shackles contact us today!

Fulcrum Lifting offers shackles from The Crosby Group®, Van Beest Green Pin®, and Columbus McKinnon.

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Fulcrum lifting is dedicated to delivering top-line quality products, building professional relationships with our customers, providing superior product knowledge, and offering industry specific services to exceed the needs of our customers.

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