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Jamestown Distributors(800) 497-0010
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Seadog D Shackles are Cast from 316 stainless steel.
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Always mouse shackles with stainless locking wire or nylon cable ties for maximum security.
What is the breaking strength of the Sea Dog D Shackles 5/16? Also will a 3/8 Sea Dog D Shackle fit a 1/4 Acco Grad 40 High Test Chain? Am looking to closely match the strength of chain and shackle.
Working load for 1/4" Acco chain Grade 43 is only 2600# SWL. I can not find working loads for any of the Sea Dog D Shackles. You may want to reach out to Sea Dog for actual working loads. A 3/8" Sea Dog D shackle should fit the 1/4" chain also. If you go to use a 3/8" galvanized shackle, the pin diameter will be too large though.
JD Tech Associate
Are the width sizes measured from the inside or outside?
The width sizes are measured by the inside diameter, thanks.