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Discover Colombo Ezio quality: self-locking ring nuts, DIN standardized and custom-made for secure and precise fastening.
Self-locking ring nut, unique, designed with a polyamide ring of nylon 6.6. This provides a high coefficient of friction between the screw and the ring nut, ensuring superior locking effectiveness compared to a traditional ring nut.
Wide range of standard ring nuts, manufactured according to the technical specifications of DIN standards for KM and MB. This translates into a guarantee of standardized quality and products that comply with regulations.
Precision ring nuts, manufactured with utmost attention to detail and tight tolerances, and featuring radial locking grains. Ideal for applications that require precise positioning and adjustment.
Colombo Ezio specializes in custom production of designed ring nuts and special ring nuts. Realizations in various materials and sizes, from ∅18mm to ∅+300mm, according to customer specifications.
Rely on Colombo Ezio for safety nuts and special nuts. Designed to last, engineered for your safety.
Special nuts and safety nuts, manufactured with a wide range of materials and shapes to meet specific requirements. We are committed to fulfilling customized customer requests, adhering to dimensional and mechanical requirements, as well as coating and treatment needs. We also offer the option of applying locking inserts for extra safety. Choose the quality and security of our tailored nuts for your projects.
A quick-locking cage nut is a combination of a square nut and a harmonic steel cage. Cage nuts are used in those industrial sectors where panels are assembled by mechanical fasteners.
Countries reached all over the world
Industrial sectors we operate in
Years of experience
Colombo Ezio & C., since 1958, is an international leader in the production of ring nuts and nuts for various industrial sectors. Know-how, experience, and expertise, combined with efficiency and sustainability, represent our values that have allowed us to consolidate our role in the fasteners industry. Discover the quality and innovation that define our identity.
Flexibility and excellence at our customers’ service for more than 60 years