Mechanical element made by an externally threaded shank and a head at one end. The bolts are mainly used as fasteners, together with counterparts that have a female thread (nuts or internally threaded parts).
Fastening element or metal component with complex geometry, obtained by cold forging process and one or more eventual machining operations, used in automotive sector and according to the customer specific demand.
Fastening element consisting of an external key wrench and internal thread, passing or not, used for assemblies with externally threaded counterparts (screws, pins and studs).
Fasteners with an external thread but different from common bolts or screws since they are designed to offer additional functions to the tightening one into an internal threaded or unthreaded counterparts.