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ARP 5/16-18 stainless steel 12-point nut kit, made for 5/16-18 threaded fasteners. The 12-point style gives positive wrench engagement and improved access in confined spaces, while stainless steel offers a corrosion-resistant fastener option. This kit supplies a ready set of nuts to match 5/16-18 bolts in assemblies that specify 12-point hardware.
ARP 5/16-18 SS 12pt nut kit
