5/16"‑24 Grade 5 Hex Jam Nut – Fine Thread, Zinc CR+3 Finish

The 5/16"‑24 hex jam nut is manufactured from Grade 5 carbon steel to provide dependable strength and durability for precision fastening applications. Featuring a fine 24‑TPI thread and a thin jam‑nut profile, it is designed for use as a locking nut against a standard hex nut or in space‑restricted assemblies where fine thread engagement and improved resistance to loosening are required. Finished with a Zinc CR+3 coating for enhanced corrosion resistance, this jam nut is ideal for machinery, automotive, maintenance, and general industrial applications requiring secure locking and reliable performance.