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ARP chromoly 5/16-24 x 4.375 12-point black oxide bolt is a single chromoly fastener with a black oxide finish. Its 12-point head mates with standard 12-point sockets and aids access in compact assemblies. Specify this bolt when a 5/16-24 thread and a 4.375-inch length are needed for fabrication, repair, or custom fastening situations.
ARP 5/16-24 X 4.375 12pt black oxide bolts
