A driveshaft assembly includes a driveshaft tube having two ends. An end fitting is operatively connected to one of the two ends of the driveshaft tube. A torque control mechanism is operatively connected to the end fitting. The torque control mechanism includes an outer member defining a first conical surface extending circumferentially relative to a central axis. The torque control mechanism includes an inner member defining a second conical surface extending circumferentially relative to the central axis. The first conical surface is configured to be in contact with the second conical surface so as to transfer a torque load from the inner member to the outer member. The second conical surface is configured to rotate relative to the first conical surface along the central axis at a slip angle when the torque load exceeds a predefined maximum torque load.