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Wichard Self-Locking Bow Shackles
Wichard Self-Locking Bow Shackles
Wichard Self-Locking Bow Shackles

Innovative, patented pin locking function

Prevents accidental unwinding due to vibration

Hot drop-forged from AISI 316 stainless steel

Wichard rated break load

Excellent marine environment corrosion resistance

Individually stamped with key specifications


More Information

Wichard Self Locking Shackles feature a patented security system to prevent the pin working loose due to vibration or any other accidental reason.

The self-locking feature is based on cleverly designed indentations in the shackle body which engage with the matching lugs on the head of the pain as it is tightened.

As the pin is tightened, rotating into the shackle body, the lugs align with the indentations, and the pin is prevented from turning anti-clockwise unless force is applied by hand.

Wichard hot drop-forging provides increased strength and enduring manufacturing consistency.

Each shackle is CE marked in accordance with the Machines Directive 2006/42.

Wichard Self-Locking Bow Shackle Specifications
Part Pin Ø L A B D Working Load* Break Load* Weight
WD-1241 4mm 29mm 18mm 8mm 8mm 320kg 700kg 9g
WD-1242 5mm 36mm 23mm 10mm 10mm 400kg 1000kg 17g
WD-1243 6mm 43mm 28mm 12mm 12mm 600kg 1500kg 30g
WD-1244 8mm 56mm 37mm 16mm 16mm 1000kg 2700kg 68g
WD-1245 10mm 72mm 47mm 20mm 20mm 1520kg 4300kg 137g
WD-1246 12mm 87mm 55mm 24mm 24mm 2080kg 6000kg 233g

* Wichard Safe Working Load for Marine Applications

* Wichard Manufacturer Break Load 

Wichard Load definitions:

Working Load (WL) = Static load at which the product will still function without excessive friction or wear or without permanent deformation of components.

Breaking Load (BL) = Static load at which a major failure occurs in one or more structural components or at which complete destruction occurs.

  • Shackle Type - Bow Shackle
  • Shackle Type - Self-Locking