An adapter (10) for a power drill (12) having a threaded rod for receiving a chuck. The adapter (10) includes an adapter plate (14) for securing the adapter (10) to the drill (12) a connector rod (16) having one end connectable to the threaded rod of the drill (12) through the adapter plate (14) and another end for receiving a drill bit (17) a first sleeve (20) mountable on the connector rod (16) a second sleeve (28) slidable with respect to the first sleeve (20) a coiled spring (18) mountable around on the connector rod (16) for biasing the second sleeve away from the first sleeve gripping pins (32, 34) at an end of the second sleeve (28) for contacting a surface to be drilled.
