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ARP 1/2-20 x 4.500 chromoly hex bolt with black oxide finish is a threaded fastener intended for extended-reach applications. The source lists 1/2-20 threads, a 4.500-inch length and a hex head compatible with standard tools, with black oxide finish specified. Choose this bolt for assemblies requiring a long chromoly hex fastener and install to the recommended torque value.
ARP 1/2-20 x 4.500 hex black oxide bolts
