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The ARP 5/16-18 x 3.750 chromoly hex-head bolt in black oxide finish is a long-length fastener for fabrication and mounting applications requiring additional thread engagement. With 5/16-18 threading and a 3.750-inch length, it suits brackets, braces, and custom fixtures where a chromoly hex-head bolt with black oxide surface and a standard hex drive is desired for clean, reliable fastening across thicker components.
ARP 5/16-18 X 3.750 hex black oxide bolts
