Lathed electric, electronic, electromagnetic, optical, fiber-optical and optoelectronic contacts and connections and milled electric, electronic, electromagnetic, optical, fiber-optical and optoelectronic contacts and connections, for use in or as parts of couplings, contacts, connectors, interfaces, plugs, sockets, connector jacks, and plug-in connectors for electric, electronic, electromagnetic, optical, fiber-optical and optoelectronic connecting and networking; electric, electronic, elect...