Abstract: A fastener torque-application and marking tool and method. An example embodiment relates to a fastener marking method comprising the steps of rotating a fastener with a torque-application device, stopping the rotation of the fastener, determining the torque value of the fastener, and marking the fastener or adjacent surface with a marking mechanism attached to the torque-application device. In another embodiment, a fastener torque application and marking tool system comprises a torque application device configured to rotate a fastener, a measuring mechanism attached to the torque application device, a marking mechanism attached to the torque-application device, and a reader that reads a unique identifier and confirms proper torqueing. In another embodiment, a torque application and marking tool comprises a handle, a driver, a fastener engaging component, a torque control, and a marking mechanism.