Universal fastening lock

A universal fastening lock comprising:

• a fastening element having a crown and a shaft comprising a threaded surface;
• a lock housing;
• and
• a cylinder lock having a latch and being operatable with a unique mechanical key;
• wherein the shaft is configured to fasten the universal fastening lock to a fastening surface, and
• wherein the crown comprises a cavity having a bottom with an access to a drive of the fastening element and a spring/wave washer located on the bottom, and the cavity is configured to rotatably and connectably receive the lock housing by at least one circular retention ring configured to secure an axial position of the lock housing and to fill a space formed by a groove on an outer surface of the lock housing and a groove on an inner surface of the crown, and the spring/wave washer configured to provide tension to the lock housing and for low torque to prevent rotational movement of the lock housing, and
• wherein the lock housing is configured to adapt the cylinder lock,
• wherein the universal fastening lock is in locked position when the cylinder lock is turned with the unique key to a position where the latch is restrained by a notch inside the lock housing, and the universal fastening lock is in open position when the cylinder lock is turned with the unique key to a position where the latch is not restrained by the notch, and in the open position the cylinder lock is removable allowing entry to the drive through the bottom of the cavity of the crown to remove the fastening element.