1/4"‑28 Grade 5 Hex Jam Nut – Fine Thread, Plain Finish

The 1/4"‑28 hex jam nut is manufactured from Grade 5 carbon steel to provide dependable strength and durability in precision fastening applications. Featuring a fine 28‑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 is required. Supplied in a plain (uncoated) finish, this jam nut is ideal for machinery, automotive, maintenance, and industrial applications requiring secure locking and accurate adjustment.