Patent ID: 7246980

Claim:
A fastening member comprising a threaded part and a head by which said threaded part can be turned in order to tighten said fastening member in a corresponding element, said head being formed of a plate in one piece with said threaded part and a cap covering said plate, said cap comprising a recessed portion in which an offset is provided to form a housing, said cap further comprising a remotely interrogatable electronic component which comprises a data storage means, wherein said plate comprises a guide finger extending vertically from the side opposite said threaded part, said guide finger being arranged inside said housing to form a stop against which said cap presses in order to impart a rotational movement to said plate in a tightening direction, and wherein said component is held as a protrusion in said recessed portion in said housing so as to come to a stop against said guide finger during untightening of said fastening member.