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The ARP chromoly bolt is a chromoly-threaded fastener sized 1/4-28 x 4.250 with a hex head and black oxide finish. It serves as an extended-length option for applications needing that thread and reach. The hex head accepts standard wrenches or sockets, supporting installation in fabrication, assembly, or repair scenarios where a chromoly fastener with a discreet finish is preferred.
ARP 1/4-28 x 4.250 hex black oxide bolts
