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Knowledge Base

Swivel thoughts

 

 

Except in special circumstances, we have seen no evidence that a swivel solves any significant issues. There is evidence that the cheaper, stainless box swivels fail for a number of reasons related to poor engineering or poor manufacturing if

you must use a swivel—and we have great difficulty in endorsing the practice—then a galvanized, cup/open swivel that is the same size as the chain is too weak. Be sure to go up two sizes, and we’d suggest choosing an eye-and-eye cup swivel so that you can attach a secure, quality shackle to each end. Steer clear of any low-priced, no-name stainless swivels, even if they’re oversized. In our opinion, no swivel should be attached directly to the shank of an anchor, because sideloading greatly reduces the safety factor. Unless your swivel or shackle can match 100 percent of chain’s ultimate tensile strength at any angle of pull, it is not worth the risk.

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