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ARP chromoly hex bolt, 3/8-16 x 4.250, finished in black oxide. Designed for fabrication and assembly where a 3/8-16 thread and a 4.250 inch length are needed, this chromoly fastener uses a hex head compatible with standard tools. It suits repairs and custom fabrications that require an accurately sized imperial bolt and a subdued black oxide appearance.
ARP 3/8-16 X 4.250 hex black oxide bolts
