Our Monel 400 hexagon lock nut is machined from Monel 400 (UNS N04400) nickel-copper alloy, the benchmark material for the most corrosive environments. The Monel 400 lock nut delivers outstanding resistance to seawater, hydrofluoric acid, sulfuric acid and alkali, with high strength and excellent toughness over a wide temperature range.
| Product Name | Hexagon Lock Nut |
| Material | Monel 400 (UNS N04400) |
| Size Range | M3 – M24 (custom available) |
| Standard | DIN 985 / DIN 934 / ASME B18.16.6, OEM |
| Finish | Plain / Passivated |
| Thread | Metric, UNC, UNF |
| Temperature Range | Cryogenic to 480°C |
Marine and offshore equipment, seawater piping, chemical and petrochemical plants, heat exchangers, valves and pumps, oil & gas, desalination plants and nuclear facilities.
Small MOQ available. Standard export carton and plywood case packing, or as per customer requirement. OEM / ODM service welcome.