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Pair of 9/16"-18 x 3" fluted shackle bolts with shackle lock nuts included. For use with heavy duty 9/16" eye springs and spring hanger brackets. C.E. Smith MPN 11030B, SKU CS11030B.
Fluted shackle bolt nut with 9/16 in.-18 NF thread and a 7/8 in. hex head, made from case-hardened Grade 5 steel. The fluted design keeps the matching bolt from turning, helping protect hanger brackets from wear.