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Mantus Hex Head Shackles
Mantus Hex Head Shackles

Bow shape for articulation

Forged Marine grade 316 stainless manufacture

Flush hexagon head for snag-free passage over bow roller

See below for sizing advice

25% Discount on 1/2 option while stocks last

Limited stock of 3/8 available until Nov 24, system will only allow an order for qty available

£17.00

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Features
Accessories

Mantus Marine USA have designed a range of very strong stainless steel shackles specifically for mooring and anchoring.

Mantus Hex Head Pin Shackle Features:

  • Forged from marine grade 316 stainless
  • Flush head snag-free design
  • Bow shape for articulation
  • Easy to undo the pin, even after many months of use, with a socket wrench or spanner
  • Security hole in the hex head is designed for a monel seizing wire to prevent the pin from loosening

Mantus Sizing Guide:

Mantus recommend using a mantus swivel for connecting Grade 40 chain to an anchor, to match the break loads.

The chain size specified in the table below represents the smallest chain sizes that the shackle will physically fit. 

Mantus Hex Head Pin Anchor Shackle Break Loads:
Shackle Size MBL in lbs MBL in Kg Chain Size
3/8 inch (10mm) 7,500lb 3348kg 10mm
7/16 inch 10000lb 4464kg 10mm
1/2 inch (12/13mm) 15000lb 6697kg 12mm
5/8 inch 20000lb 8928kg 14mm (not confirmed)

MBL = Mantus Marine Published Break Load

Mantus Hex Head Shackle Dimensions

Mantus Hex Head Pin Anchor Shackle Dimensions:
Shackle Size A B C D E F G H
1/4 inch 0.47" 0.31" 1.13" 0.25" 0.78"
5/16 inch 0.53" 0.38" 1.22" 0.31" 0.84"
3/8 inch 0.66" 0.44" 1.44" 0.38" 1.03"
7/16 inch 0.75" 0.5" 1.65" 0.43" 1.14" 1" 1.96" 2.9"
1/2 inch 0.85" 0.62" 2" 0.47" 1.3" 1.24" 2.22" 3.43"
5/8 inch 1.08" 0.74" 2.6" 0.61" 1.69" 1.57" 2.88" 4.25"
  • Shackle Type - Bow Shackle
Ormiston Monel Seizing Wire
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