Contact Information
Headquarters: Gennevilliers, France
Phone: +33 (0)1 47 94 52 82
Email: contact@jlanfranco.com
ABOUT
Founded in 1974, J. Lanfranco specializes in the design and manufacture of self-locking nuts for high-stress and safety-critical applications. Based in France, the company has built a reputation for producing fasteners that perform reliably in industries where vibration, fatigue, and extreme conditions are present. With over 40 years of expertise, J. Lanfranco serves global markets in aerospace, railway, defense, energy, and heavy industry.
Products
- Self-locking nuts (two-piece and three-piece designs)
- SLI nuts with all-metal locking mechanism
- ERM and ESL series locknuts for high vibration resistance
- Specialized locknuts for extreme environments
- Custom-engineered fastening solutions
Industries Served
Aerospace and aviation
Railway and transportationDefense and military applications
Energy production and nuclear power
Heavy equipment and construction machinery
Oil, gas, and petrochemical industries
Quality & Standards
ISO 9001 certified manufacturing
Products tested under severe vibration and fatigue conditions
Compliance with international standards (EN, ISO, NF, MIL, and others)
Commitment to continuous innovation and product development