Moroso 5/16in-24 12-point black oxide flange nuts, sold in a 10-pack. These 12-point flange nuts combine a compact head profile with a finished black oxide coating, intended for applications requiring 12-point fastening geometry and corrosion-resistant surface treatment. Supplied as a ten-piece pack for engine and accessory assemblies; verify thread size and finish suitability for your project.
Moroso 5/16in-24 12 Point Black Oxide Flange Nut - 10 Pack