Present on the market for more than 40 years, ESL and ERM have made Lanfranco safety nuts the most recommended safety fastening system for critical assemblies and mounting.
Our machine park has been specially designed, developed and realized for our business and has a large storage capacity.
Our companyis is ISO 9001-2015 certified and constantly improving management and quality. Our control department has the most advanced measuring instruments
Specialist in safety fastening, our products are recognized and used worldwide, allowing us to achieve 50% of our turnover from exports. Our manufacturing range ranges from single or double slot self-locking hexagonal nuts, with or without mobile washer, to self-locking hexagonal nuts with non-metallic insert, including the design of parts according to plan. We also make other safety fasteners: deformation nuts, flange nuts, riveting nuts and modular fasteners.
Extreme vibrations, temperatures & corrosion
Whatever the conditions, our self-locking nuts have a real ability to withstand extreme vibrations. Whatever your environment, cold, heat, humidity, corrosion, our nuts will allow you to bring added value: longer life cycle, improved production times, lower costs and maintenance time.