LANFRANCO AMSUD

Lanfranco AMSUD is a national reference in industrial safety fastening, specializing in high-performance self-locking metallic nuts for critical applications and extreme vibration. The company provides self-locking nuts that are engineered to maintain constant torque under intense vibration, dynamic loads, and severe thermal variations. Founded in France in 1974 as J. Lanfranco & Cie, the group combines European engineering tradition with international standardization and specialized technical support. Lanfranco AMSUD in São Francisco do Sul, Brazil, serves the entire national territory and South America with products certified to ISO 9001 standards for traceability, quality control, and reliability. Their solutions are crucial for preventing loosening failures in sectors such as railway, mining, agribusiness, and energy, where reliability and reduced maintenance are paramount. Lanfranco AMSUD also offers technical consulting to engineers, designers, and maintenance teams across Brazil and South America for optimal fastening system specification and validation.