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The ARP 1/2-13 chromoly hex bolt, 4.500-inch overall length, features a hex head and black oxide finish with standard 1/2-13 threads in chromoly material. It matches the manufacturer's specified configuration for installations needing that length and head form. Use this ARP fastener when a 4.5-inch 1/2-13 hex bolt with a black oxide coating is required.
ARP 1/2-13 x 4.500 hex black oxide bolts
