1/4"-20 Hex Jam Nut, Grade 5, Coarse Thread, Plain Finish

The 1/4"‑20 hex jam nut is manufactured from Grade 5 carbon steel for reliable strength and durability in general‑purpose fastening applications. Featuring a coarse 20‑TPI thread and a thin jam‑nut profile, it is designed to be used as a locking nut against a standard hex nut or in tight spaces where full‑height nuts are not suitable. Supplied in a plain (uncoated) finish, this jam nut is ideal for machinery, automotive, maintenance, and industrial assemblies requiring secure locking and dependable performance.