Inox Viti, founded in 1964 in Grumello del Monte (BG) by Enrico and Bruno Cattinori, is a specialized manufacturer of stainless steel screws and bolts. From its humble beginnings in a small site near Bergamo, the company has grown to become a major player in both Italian and international fastener production markets.
The company specializes in both standard and custom-designed fasteners, with capabilities to cold forge stainless steels of particular hardness sourced from premium Italian and international steel mills. Their material expertise extends to austenitic, martensitic and ferritic steels, high-temperature nickel alloys, duplex and super duplex steels, and precipitation hardeners.
Inox Viti's production capabilities include manufacturing fasteners of strength classes 70 and 80 with A2 and A4 quality specifications. They can produce screws up to 300mm in length and tie rods and bars up to 5 meters long. The company serves diverse sectors including aerospace, automotive, wind power, railway, medical, earthmoving, and petrochemical industries.
Quality control is paramount at Inox Viti, with real-time process parameter verification through statistical process control (SPC) and automatic detection stations. Their in-house laboratory is equipped with advanced testing equipment including a quantometer, traction machine, three-dimensional optical reading machine, and various measurement tools. The company holds important certifications including IATF 16949 for automotive and EN 15048-1 for structural bolts.
Their comprehensive service offering includes various treatments, retouching, washer assembly, milling, drilling, packaging, and automatic selection. The company maintains a strong commitment to environmental sustainability, following a strict code of ethics and complying with EU directives including RoHS and REACH regulations.