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These ARP chromoly bolts are specified as 5/16-24 x 0.560 hex-head fasteners with a black oxide finish. Presented by thread size, length, head form and finish, they are intended for use in assembly and fabrication scenarios where the exact 5/16-24 x 0.560 dimensions and black oxide treatment are required.
ARP 5/16-24 X 0.560 Hex Black Oxide Bolts
