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The ARP 1/2-13 chromoly hex bolt, 4.250-inch overall length, includes a hex head and black oxide finish with 1/2-13 threads in chromoly material. It is provided in the length and head style specified by the manufacturer for secure fastening. Select this ARP bolt when a 4.25-inch 1/2-13 hex fastener with black oxide coating is required.
ARP 1/2-13 x 4.250 hex black oxide bolts
