BONIONI is a family-owned international group founded in 1956, specializing in cold heading manufacturing with two production sites in France and Poland. The company processes over 5,000 tons of material annually and produces more than 100 million parts each month, maintaining a customer service rate exceeding 99%.
The group's expertise spans across multiple sectors including automotive, electrical equipment, transport, sports and leisure, building, and various industries. They manufacture technical fasteners, standard fasteners, special parts, and sub-assemblies using materials such as steel, brass, copper, aluminum, stainless steel, bronze, and nickel silver. The company has recently expanded into e-mobility solutions, producing components for electric vehicles and charging stations.
BONIONI's manufacturing capabilities include parts ranging from 1 to 36mm in diameter with maximum lengths of 180mm. They offer comprehensive secondary operations including rolling, machining, heat treatments, and surface treatments. The company utilizes advanced technologies including 3D simulation and FEM (Finite Element Method) for product development and quality control.
The group maintains high quality standards with ISO 9001 and IATF 16949 certifications. Their commitment to sustainability is demonstrated by their ECOVADIS Gold certification and their development of green steel products. BONIONI's cold heading process offers advantages over traditional bar turning, including better mechanical resistance, zero waste production, and higher production rates.





