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ARP chromoly 12‑point black oxide bolts, 5/16in‑18 x 3.500in, sold as a set of five. These chromoly 12‑point fasteners are intended where a 5/16‑18 12‑point bolt is required for assembly, offering a compact head profile for confined spaces and a black oxide finish for basic corrosion resistance. They serve as high‑strength fastening hardware for mechanical joints where the specified size and 12‑point interface are needed.
ARP 5/16in-18 x 3.500in 12pt Black Oxide Bolts (Set of 5)
