Shackle Selection Advice
STANDARD D SHACKLES
The standard dimensional format shackle providing high load capacity and compact size. Smaller size bodies are produced from formed stainless steel sheet, whilst larger size bodies are from turned bar, then flattened and coined at the ends. Pin heads are available in compact 'slotted' or 'coined' for finger or tool adjustment and some pin heads are drilled for the fitting of a securing wire.
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LONG D SHACKLES
Similar in features to the standard D shackles, long D shackles have a longer internal length clearance for fitting to longer or irregular shaped objects with a greater distance between fixing points, such as attaching an outhaul line to a press ring on a sail.
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WIDE D SHACKLES
Similar in features to the standard D shackles, wide D shackles have a wider internal width clearance for fitting to wider, irregular shaped or multiple objects. Their point load B.L. is generally lower than that of standard pin length shackles.
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TWISTED SHACKLES
Twisted shackles allow an object such as a block to be fixed at 90 degrees to the orientation that would be achieved using a standard D shackle.
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BOW SHACKLES
Similar in features to the standard D shackles, bow shackles have a wider internal width clearance for fitting to wider, irregular shaped or multiple objects, but with a standard pin width that doesn't compromise the point load B.L.
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HALYARD SHACKLES
Specifically designed for halyard applications, these shackles feature a closed eye section at the top to retain the halyard at all times and a captive shackle pin to avoid accidental dropping and loss. The halyard retaining pin is removable to allow fitting of a pre-spliced halyard eye end, and the shackle pin is engaged by a quick action pin that requires only one quarter turn to tighten or loosen, has an anti-vibration retaining lug and a long lever head for easy one handed engagement.
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LIGHTWEIGHT CLEVIS PIN SHACKLES
With lightweight formed bodies, these shackles provide the lightest weight solution for a nominal pin size, where load capacity isn't as critical. They utilise split pin securing of the shackle pin for reliable fitting without tools.
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SPECIAL SLOTTED SHACKLES
These shackles have non standard dimensional proportions allowing them to provide the most compact solution in certain specialist applications. Slotted head pins contribute to the efficient minimising of space.
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SWIVEL SHACKLES
Swivels are used in conjunction with blocks and rigging systems to provide articulation and rotation (not suitable for high speed rotating applications).
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2 WAY LINKS
These items allow the alignment of two objects to be rotated 90 degrees relative to each other. They provide a convenient, more compact solution that has traditionally been addressed by linking two shackles. They also provide pivoting movement in two planes - about each of the pins.
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