M12‑1.50 DIN 439B Hex Jam Nut – Class 04, Fine Thread, Plain Finish

M12‑1.50 hex jam nut manufactured to DIN 439B specifications from Class 04 steel, providing reliable strength and dimensional accuracy for metric fastening applications requiring fine thread engagement. Featuring a fine 1.50 mm thread pitch 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 improved resistance to loosening is required. Supplied in a plain (uncoated) finish, this jam nut is well suited for machinery, equipment assembly, maintenance, and general industrial applications requiring secure locking and dependable performance.