a chuck for use with a manual or powered driver including a generally cylindrical body having a nose section and a tail section . the tail section defines an axial bore formed therein to mate with the drive shaft of the driver and the nose section defines an axial bore formed therein and a plurality of angularly disposed passageways formed therethrough and intersecting the axial bore . a plurality of jaws are slidably positioned in each passageway and each jaw defines a jaw face formed on one side and threads formed on the opposite side . a nut is disposed about the body for rotational movement with respect to the body and is in driving engagement with the jaw threads . a generally cylindrical front sleeve overlays the nose section of the body . a generally cylindrical nut retainer is disposed about the body and includes a frusto - conical portion .