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ARP chromoly 5/16-24 x 3.375 12-point black oxide bolt is a single chromoly fastener finished in black oxide. Its 12-point head works with standard 12-point sockets and offers clearance for confined spaces. Specify this fastener when a 5/16-24 thread and 3.375-inch length are needed for assembly, fabrication, or maintenance tasks.
ARP 5/16-24 X 3.375 12pt black oxide bolts
