Shackles used for mooring or anchoring must be both durable, strong and capable of being sold with a test certificate, in other words, ‘fit for purpose’.
BGD stock 17 types of shackle ONLY 9 of these are suitable for mooring, those that are unsuitable include Stainless and Commercial Shackles.
Generally, chandlers do not supply shackles suitable for mooring, you will no doubt be offered bright zinc plated Commercial Shackle, the ill-fitting pin will be the same size as the body, you will not be offered a ‘Test Certificate’.
Question – How do I tell if a shackle is suitable for mooring or anchoring?
Answer – If the pin has a larger diameter than the body and a Test Certificate is available. These shackles are usually described as either to BS3032 (British Standard) or US Federal Specification.