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Sarca Excel Shackle and Chain Compatibility Guide

The Jimmy Green Rigging Team have tried each potential combination to ascertain which size galvanised bow shackles will fit with each size Sarca Excel anchor and the corresponding calibrated anchor chain.

The tests have been carried out with Green Pin Bow Shackles

It is important to note that:

Jimmy Green Galvanised Pin Bow Shackles and Yellow Pin Bow Shackles are physically identical in size to the tested Green Pin version.

Sarca Anchor with a single bow shackle

SARCA Excel Single Bow Shackle Connection to chain - with the crown of the shackle passed through the slot in the anchor shank, and the shackle pin through the end link in the chain

Weight Size Shackle Size Chain Compatibility
7.5kg Excel  #1 9mm 8mm
9.5kg Excel  #2 10mm 10mm
12.5kg Excel  #3 10mm 10mm
16.0kg Excel  #4 10mm 10mm
22kg Excel  #5 10mm 10mm
30kg Excel  #6 11mm 10mm + 12mm
36kg Excel  #7 11mm 10mm + 12mm
40kg Excel  #8 13mm 12mm
50kg Excel  #9 16mm  
55kg Excel  #11    
63kg Excel  #13 16mm  

Shackle Size = the size of bow shackle where the crown will pass through the slot in the anchor shank and enable the pin to fit directly to the end link of your anchor chain.

Chain Compatibility = the minimum size of calibrated anchor chain compatible with the shackle pin.

Sarca Anchor with back to back bow shackles

SARCA Excel Back to Back Bow Shackles Solution - shackles linked crown to crown, with one pin through the anchor slot and one pin through the end link of the chain

These tables show:

Columns 1 and 2 - Weight and Size = Sarca Excel option

Column 3 - Shackle Size = the sizes of shackle where the pin fits in the anchor slot

Columns 4, 5, 6 and 7 -  6mm-13mm Chain = the maximum size of shackle where the pin will fit through the end link of the corresponding calibrated anchor chain

Weight Size Shackle Size 6mm Chain 7mm Chain 8mm Chain 10mm Chain
7.5kg Excel  #1 7mm, 9mm 5mm shackle 6mm shackle 8mm shackle  
9.5kg Excel  #2 7mm, 9mm, 10mm 5mm shackle 6mm shackle 8mm shackle  
12.5kg Excel  #3 9mm, 10mm   6mm shackle 8mm shackle 10mm or 11mm shackle
16.0kg Excel  #4 9mm, 10mm     8mm shackle 10mm or 11mm shackle
22kg Excel  #5 10mm     8mm shackle 10mm or 11mm shackle
Weight Size Shackle Size 8mm Chain 10mm Chain 12mm Chain 13mm Chain
30kg Excel  #6 11mm 8mm shackle 10mm or 11mm shackle    
36kg Excel  #7 11mm   10mm or 11mm shackle    
40kg Excel  #8 11mm, 13mm   10mm or 11mm shackle 11mm shackle  
50kg Excel  #9 13mm, 16mm     11mm shackle 13mm shackle
55kg Excel  #11         13mm shackle
63kg Excel  #13 16mm     11mm shackle 13mm shackle

Helpful Hints on how to interpret the tables:

Find your chosen anchor

Shackle to Anchor - Scroll across to find the size of shackle where the pin will fit to the slot in the anchor shank (there may be a choice)

Shackle to Chain - Select the shackle size from the column corresponding to your anchor chain

For example

22kg Size #5 - Shackle Size to anchor = 10mm - for 8mm chain = select an 8mm shackle - for 10mm chain = select a 10mm or 11mm shackle