Located in the vibrant coastal city of Jiaxing, close to Shanghai Port, Zhapu Port, and Ningbo Port, Pinghu Hengke Metal Products Factory is a professional fastener manufacturer and exporter that offers jam nuts designed to prevent loosening in high-vibration applications. These jam nuts, also known as lock nuts or prevailing torque nuts, feature a unique design, such as a nylon insert, deformed thread, or slotted head, that creates friction and resists rotational movement, ensuring secure fastening in machinery, automotive, and industrial equipment. Crafted from high-quality materials like steel, stainless steel, or brass, the jam nuts undergo strict quality control to ensure reliable performance and durability. The factory’s precision manufacturing techniques guarantee consistent thread engagement and locking force, while its professional team provides customized solutions through OEM/ODM services, including different locking mechanisms, sizes, and surface finishes. Exported to Europe, the United States, and other countries, these jam nut products reflect the company’s commitment to delivering innovative fastener solutions that address the specific needs of global customers.