Technical fasteners

BONIONI produces quality screws and bolts in small, medium and large series for automated assembly systems.


Steel, brass, copper, aluminium, stainless steel, bronze, nickel silver.
All heat and surface treatments, including finishes with lubricants (Top Coat) to facilitate assembly. Pre-coating. Micro-capsulation.
Thread patches with locking and/or sealing function.


Ø 1 à 24mm – max length 180mm – class 4.8 to 12.9



Machine screws, screws for sheet metal, screws for plastic materials, screws with incorporated washers, welding screws, micro-screws, all shapes of heads and cavities. ISO, SI, American and special pitches, single or double thread.



Capacity, reliability, flexibility, functionality. BONIONI has been a trusted partner for industry since 1956. Our screws are integrated in many electrical terminals, transmission and conveyor systems, production machines, etc.