A self-drilling rock anchor includes an anchor tube (2), a drill head (6) provided at the first end (5), an outer thread (8) provided at least in a region of the second, free end (7) of the anchor tube and an adapter (11) releasably connectable with the anchor tube (2) and having an inner thread (17) for engaging the outer thread (8) of the anchor tube (2), a screw stop (14), and a quick-intervention element (15) connectable with a rotatable chuck of a drilling tool the rock anchor is driven-in with.