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ARP 1/2-20 x 4.000 chromoly hex bolt with black oxide finish is a threaded fastener intended for applications needing extended length. The description specifies 1/2-20 threads, a 4.000-inch length and a hex head suitable for normal wrenching, with black oxide noted. Select this chromoly hex bolt for longer assembly tasks and tighten to the recommended torque.
ARP 1/2-20 x 4.000 hex black oxide bolts
