What is a shackle?
A shackle is the standard connector that links a load to a sling, chain or hook. It is simple, strong and rated, which is why it appears in almost every lifting job. This guide explains what a shackle is, its parts and its main types.
What Is a Shackle?
A shackle is a U- or O-shaped metal connector with a removable pin across the opening. The pin closes the loop and secures whatever passes through it, such as a sling eye or chain link.
Parts of a Shackle
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Body: the forged U or O shape that carries the load.
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Pin: the screw or bolt that closes the opening.
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WLL marking: the rated working load limit.
Main Types of Shackles
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Bow shackle (anchor shackle): wide O shape for multi-direction loads.
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Dee shackle: narrow D shape for straight-line pulls.
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Screw pin: quick to fit and remove.
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Bolt type: secured with a nut and cotter pin for permanent use.
Materials
Shackles are forged from carbon steel or stainless steel. Carbon steel is stronger and cheaper; stainless steel resists corrosion for marine and outdoor use.
What Is a Shackle Used For?
Shackles connect slings, chains, ropes and hooks in lifting, rigging, towing and marine work. Choose the type and size by the load direction and the working load limit.
FAQ
What is a shackle used for?
It connects a load to lifting gear such as slings, chains and hooks.
What are the main types of shackles?
The main types are bow (anchor) shackles and Dee shackles, each available with a screw pin or bolt type pin.
Browse Our Shackles
SolidLink forges bow, Dee and other shackles in carbon steel and stainless steel, with WLL marked and certificates available. Browse our shackles or contact us for a quote.